20274008757912 has 128 divisors (see below), whose sum is σ = 69312850521600. Its totient is φ = 5346991315584.

The previous prime is 20274008757911. The next prime is 20274008757941. The reversal of 20274008757912 is 21975780047202.

20274008757912 is a `hidden beast` number, since 2 + 0 + 27 + 40 + 0 + 8 + 7 + 579 + 1 + 2 = 666.

It is a super-2 number, since 2×20274008757912² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20274008757911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515700958 + ... + 515740269.

It is an arithmetic number, because the mean of its divisors is an integer number (541506644700).

Almost surely, 2^{20274008757912} is an apocalyptic number.

It is an amenable number.

20274008757912 is an abundant number, since it is smaller than the sum of its proper divisors (49038841763688).

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

20274008757912 is a wasteful number, since it uses less digits than its factorization.

20274008757912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031441262 (or 1031441252 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 20274008757912 in words is "twenty trillion, two hundred seventy-four billion, eight million, seven hundred fifty-seven thousand, nine hundred twelve".