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20202111001110 = 23537122917878287
BaseRepresentation
bin1001001011111101010111…
…01001100110001000010110
32122112022011211222011021110
410211332223221212020112
510121442410404013420
6110544415514155450
74153361100132033
oct445765351461026
978468154864243
1020202111001110
116489737aa0655
12232337a122b86
13b37087a7319c
144dbb0485038a
152507837e6ee0
hex125faba66216

20202111001110 has 128 divisors (see below), whose sum is σ = 49869895864320. Its totient is φ = 5233801388544.

The previous prime is 20202111001069. The next prime is 20202111001123. The reversal of 20202111001110 is 1110011120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2437803387 + ... + 2437811673.

It is an arithmetic number, because the mean of its divisors is an integer number (389608561440).

Almost surely, 220202111001110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202111001110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24934947932160).

20202111001110 is an abundant number, since it is smaller than the sum of its proper divisors (29667784863210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202111001110 is a wasteful number, since it uses less digits than its factorization.

20202111001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20202111001110 its reverse (1110011120202), we get a palindrome (21312122121312).

The spelling of 20202111001110 in words is "twenty trillion, two hundred two billion, one hundred eleven million, one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 1229 1787 2458 3574 3687 5361 6145 7374 8287 8935 10722 12290 16574 17870 18435 24861 26805 36870 41435 45473 49722 53610 66119 82870 90946 124305 132238 136419 198357 227365 248610 272838 306619 330595 396714 454730 613238 661190 682095 919857 991785 1364190 1533095 1839714 1983570 2196223 3066190 4392446 4599285 6588669 9198570 10184723 10981115 13177338 14808869 20369446 21962230 29617738 30554169 32943345 44426607 50923615 61108338 65886690 74044345 81260251 88853214 101847230 148088690 152770845 162520502 222133035 243780753 305541690 376834751 406301255 444266070 487561506 547928153 753669502 812602510 1095856306 1130504253 1218903765 1643784459 1884173755 2261008506 2437807530 2739640765 3287568918 3768347510 5479281530 5652521265 8218922295 11305042530 16437844590 18200100001 36400200002 54600300003 91000500005 109200600006 182001000010 273001500015 546003000030 673403700037 1346807400074 2020211100111 3367018500185 4040422200222 6734037000370 10101055500555 20202111001110