Search a number
-
+
20122201012210 = 251147167109321323
BaseRepresentation
bin1001001001101000100001…
…01001001011011111110010
32122020122220210020010021221
410210310100221023133302
510114140231424342320
6110444002253535254
74144531620340333
oct444642051133762
978218823203257
1020122201012210
116458860983210
12230b9984a452a
13b2c69149539b
144d7cc3a2628a
1524d6581a83aa
hex124d10a4b7f2

20122201012210 has 128 divisors (see below), whose sum is σ = 40634064543744. Its totient is φ = 7111750114560.

The previous prime is 20122201012189. The next prime is 20122201012231. The reversal of 20122201012210 is 1221010222102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20122201012189) and next prime (20122201012231).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 943674609 + ... + 943695931.

It is an arithmetic number, because the mean of its divisors is an integer number (317453629248).

Almost surely, 220122201012210 is an apocalyptic number.

20122201012210 is an abundant number, since it is smaller than the sum of its proper divisors (20511863531534).

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

20122201012210 is a wasteful number, since it uses less digits than its factorization.

20122201012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22648.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122201012210 its reverse (1221010222102), we get a palindrome (21343211234312).

The spelling of 20122201012210 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, twelve thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 47 55 94 110 167 235 334 470 517 835 1034 1093 1670 1837 2186 2585 3674 5170 5465 7849 9185 10930 12023 15698 18370 21323 24046 39245 42646 51371 60115 78490 86339 102742 106615 120230 172678 182531 213230 234553 256855 365062 431695 469106 513710 565081 863390 912655 1002181 1130162 1172765 1825310 2004362 2007841 2345530 2825405 3560941 4015682 5010905 5650810 7121882 8578957 10021810 10039205 11023991 17157914 17804705 20078410 22047982 23306039 35609410 39170351 42894785 46612078 55119955 78340702 85789570 94368527 110239910 116530195 167364227 188737054 195851755 233060390 256366429 334728454 391703510 471842635 512732858 836821135 943685270 1095383833 1281832145 1673642270 1841006497 2190767666 2563664290 3682012994 3892108513 5476919165 7784217026 9205032485 10953838330 12049222163 18410064970 19460542565 24098444326 38921085130 42813193643 60246110815 85626387286 120492221630 182929100111 214065968215 365858200222 428131936430 914645500555 1829291001110 2012220101221 4024440202442 10061100506105 20122201012210