20631005150 has 96 divisors (see below), whose sum is σ = 44605954560. Its totient is φ = 6952936320.

The previous prime is 20631005147. The next prime is 20631005177. The reversal of 20631005150 is 5150013602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19298816 + ... + 19299884.

It is an arithmetic number, because the mean of its divisors is an integer number (464645360).

Almost surely, 2^20631005150 is an apocalyptic number.

20631005150 is an abundant number, since it is smaller than the sum of its proper divisors (23974949410).

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

20631005150 is a wasteful number, since it uses less digits than its factorization.

20631005150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 20631005150 its reverse (5150013602), we get a palindrome (25781018752).

The spelling of 20631005150 in words is "twenty billion, six hundred thirty-one million, five thousand, one hundred fifty".