20625023031320 has 32 divisors (see below), whose sum is σ = 46570281711120. Its totient is φ = 8220857232000.

The previous prime is 20625023031313. The next prime is 20625023031359. The reversal of 20625023031320 is 2313032052602.

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, 910987931 + ... + 911010570.

Almost surely, 2^{20625023031320} is an apocalyptic number.

20625023031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20625023031320 is an abundant number, since it is smaller than the sum of its proper divisors (25945258679800).

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

20625023031320 is a wasteful number, since it uses less digits than its factorization.

20625023031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821998795 (or 1821998791 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20625023031320 its reverse (2313032052602), we get a palindrome (22938055083922).

The spelling of 20625023031320 in words is "twenty trillion, six hundred twenty-five billion, twenty-three million, thirty-one thousand, three hundred twenty".