20631939576250 has 40 divisors (see below), whose sum is σ = 38681430480000. Its totient is φ = 8250871662000.

The previous prime is 20631939576181. The next prime is 20631939576251. The reversal of 20631939576250 is 5267593913602.

It is not an unprimeable number, because it can be changed into a prime (20631939576251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3521751 + ... + 7325749.

It is an arithmetic number, because the mean of its divisors is an integer number (967035762000).

Almost surely, 2^{20631939576250} is an apocalyptic number.

20631939576250 is a deficient number, since it is larger than the sum of its proper divisors (18049490903750).

20631939576250 is an equidigital number, since it uses as much as digits as its factorization.

20631939576250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808360 (or 3808345 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 20631939576250 in words is "twenty trillion, six hundred thirty-one billion, nine hundred thirty-nine million, five hundred seventy-six thousand, two hundred fifty".