20625496244 has 24 divisors (see below), whose sum is σ = 37181592000. Its totient is φ = 10004995520.

The previous prime is 20625496231. The next prime is 20625496247. The reversal of 20625496244 is 44269452602.

It is a super-2 number, since 2×20625496244² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20625496195 and 20625496204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20625496247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321944 + ... + 380655.

It is an arithmetic number, because the mean of its divisors is an integer number (1549233000).

Almost surely, 2^20625496244 is an apocalyptic number.

It is an amenable number.

20625496244 is a deficient number, since it is larger than the sum of its proper divisors (16556095756).

20625496244 is a wasteful number, since it uses less digits than its factorization.

20625496244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702823 (or 702821 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 20625496244 in words is "twenty billion, six hundred twenty-five million, four hundred ninety-six thousand, two hundred forty-four".