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20202121002110 = 2561947270712919
BaseRepresentation
bin1001001011111101011000…
…01111101111110001111110
32122112022012112210021001212
410211332230033233301332
510121442420434031420
6110544420512404422
74153361251134335
oct445765417576176
978468175707055
1020202121002110
116489742701543
122323381546712
13b37089b65338
144dbb05cd4d1c
152507846203c5
hex125fac3efc7e

20202121002110 has 64 divisors (see below), whose sum is σ = 37015507284480. Its totient is φ = 7936434760320.

The previous prime is 20202121002103. The next prime is 20202121002137. The reversal of 20202121002110 is 1120012120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563746231 + ... + 1563759149.

It is an arithmetic number, because the mean of its divisors is an integer number (578367301320).

Almost surely, 220202121002110 is an apocalyptic number.

20202121002110 is a deficient number, since it is larger than the sum of its proper divisors (16813386282370).

20202121002110 is a wasteful number, since it uses less digits than its factorization.

20202121002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16641.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202121002110 its reverse (1120012120202), we get a palindrome (21322133122312).

The spelling of 20202121002110 in words is "twenty trillion, two hundred two billion, one hundred twenty-one million, two thousand, one hundred ten".

Divisors: 1 2 5 10 61 122 305 610 947 1894 2707 4735 5414 9470 12919 13535 25838 27070 57767 64595 115534 129190 165127 288835 330254 577670 788059 825635 1576118 1651270 2563529 3940295 5127058 7880590 12234293 12817645 24468586 25635290 34971733 61171465 69943466 122342930 156375269 174858665 312750538 349717330 746291873 781876345 1492583746 1563752690 2133275713 3731459365 4266551426 7462918730 10666378565 21332757130 33118231151 66236462302 165591155755 331182311510 2020212100211 4040424200422 10101060501055 20202121002110