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20201119984 = 2443109269377
BaseRepresentation
bin10010110100000101…
…001010000011110000
31221010211222020000001
4102310011022003300
5312332441314414
613140312035344
71313413454353
oct226405120360
957124866001
1020201119984
118627007491
123ab9392b54
131b9c264946
14d98cba29a
157d3747074
hex4b414a0f0

20201119984 has 40 divisors (see below), whose sum is σ = 40417475120. Its totient is φ = 9775116288.

The previous prime is 20201119957. The next prime is 20201120011. The reversal of 20201119984 is 48991110202.

It is an interprime number because it is at equal distance from previous prime (20201119957) and next prime (20201120011).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59697 + ... + 209680.

It is an arithmetic number, because the mean of its divisors is an integer number (1010436878).

Almost surely, 220201119984 is an apocalyptic number.

It is an amenable number.

20201119984 is an abundant number, since it is smaller than the sum of its proper divisors (20216355136).

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

20201119984 is a wasteful number, since it uses less digits than its factorization.

20201119984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269537 (or 269531 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

It can be divided in two parts, 20201 and 119984, that added together give a triangular number (140185 = T529).

The spelling of 20201119984 in words is "twenty billion, two hundred one million, one hundred nineteen thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 43 86 109 172 218 344 436 688 872 1744 4687 9374 18748 37496 74992 269377 538754 1077508 2155016 4310032 11583211 23166422 29362093 46332844 58724186 92665688 117448372 185331376 234896744 469793488 1262569999 2525139998 5050279996 10100559992 20201119984