20057522650 has 72 divisors (see below), whose sum is σ = 41144241600. Its totient is φ = 7269213600.

The previous prime is 20057522627. The next prime is 20057522657. The reversal of 20057522650 is 5622575002.

It is not an unprimeable number, because it can be changed into a prime (20057522657) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1851951 + ... + 1862749.

It is an arithmetic number, because the mean of its divisors is an integer number (571447800).

Almost surely, 2^20057522650 is an apocalyptic number.

20057522650 is an abundant number, since it is smaller than the sum of its proper divisors (21086718950).

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

20057522650 is a wasteful number, since it uses less digits than its factorization.

20057522650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140 (or 11124 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The spelling of 20057522650 in words is "twenty billion, fifty-seven million, five hundred twenty-two thousand, six hundred fifty".