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20102212002 = 231910116310711
BaseRepresentation
bin10010101110001011…
…110110100110100010
31220212221212011202110
4102232023312212202
5312132131241002
613122420100150
71311102661035
oct225613664642
956787764673
1020102212002
1185861a1454
123a90234656
131b84914202
14d89ad101c
157c9c0ae6c
hex4ae2f69a2

20102212002 has 64 divisors (see below), whose sum is σ = 43005680640. Its totient is φ = 6246072000.

The previous prime is 20102211971. The next prime is 20102212049. The reversal of 20102212002 is 20021220102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1871427 + ... + 1882137.

It is an arithmetic number, because the mean of its divisors is an integer number (671963760).

Almost surely, 220102212002 is an apocalyptic number.

20102212002 is an abundant number, since it is smaller than the sum of its proper divisors (22903468638).

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

20102212002 is a wasteful number, since it uses less digits than its factorization.

20102212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10999.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20102212002 its reverse (20021220102), we get a palindrome (40123432104).

The spelling of 20102212002 in words is "twenty billion, one hundred two million, two hundred twelve thousand, two".

Divisors: 1 2 3 6 19 38 57 101 114 163 202 303 326 489 606 978 1919 3097 3838 5757 6194 9291 10711 11514 16463 18582 21422 32133 32926 49389 64266 98778 203509 312797 407018 610527 625594 938391 1081811 1221054 1745893 1876782 2163622 3245433 3491786 5237679 6490866 10475358 20554409 33171967 41108818 61663227 66343934 99515901 123326454 176335193 199031802 352670386 529005579 1058011158 3350368667 6700737334 10051106001 20102212002