20625972373812 has 24 divisors (see below), whose sum is σ = 51829366478176. Its totient is φ = 6346453038048.

The previous prime is 20625972373793. The next prime is 20625972373837. The reversal of 20625972373812 is 21837327952602.

It is a super-2 number, since 2×20625972373812² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66108885658 + ... + 66108885969.

Almost surely, 2^{20625972373812} is an apocalyptic number.

It is an amenable number.

20625972373812 is an abundant number, since it is smaller than the sum of its proper divisors (31203394104364).

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

20625972373812 is a wasteful number, since it uses less digits than its factorization.

20625972373812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132217771647 (or 132217771645 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 20625972373812 in words is "twenty trillion, six hundred twenty-five billion, nine hundred seventy-two million, three hundred seventy-three thousand, eight hundred twelve".