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20880713943936 = 2732721133628237
BaseRepresentation
bin1001011111101101010111…
…00010011000101110000000
32201221011202212010102121100
410233312223202120232000
510214102200232201221
6112224244554254400
74253403362023500
oct457665342305600
981834685112540
1020880713943936
116720508731520
1224129a4a27400
13b86073277342
145228bc0c5a00
1526324e170926
hex12fdab898b80

20880713943936 has 288 divisors, whose sum is σ = 76250684535480. Its totient is φ = 5423561902080.

The previous prime is 20880713943899. The next prime is 20880713943941. The reversal of 20880713943936 is 63934931708802.

20880713943936 is a `hidden beast` number, since 20 + 8 + 80 + 71 + 3 + 9 + 439 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16193191 + ... + 17435046.

Almost surely, 220880713943936 is an apocalyptic number.

It is an amenable number.

20880713943936 is an abundant number, since it is smaller than the sum of its proper divisors (55369970591544).

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

20880713943936 is a wasteful number, since it uses less digits than its factorization.

20880713943936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628282 (or 33628260 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 20880713943936 in words is "twenty trillion, eight hundred eighty billion, seven hundred thirteen million, nine hundred forty-three thousand, nine hundred thirty-six".