20372528650 has 24 divisors (see below), whose sum is σ = 39887268480. Its totient is φ = 7720115760.

The previous prime is 20372528591. The next prime is 20372528677. The reversal of 20372528650 is 5682527302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10721434 + ... + 10723333.

It is an arithmetic number, because the mean of its divisors is an integer number (1661969520).

Almost surely, 2^20372528650 is an apocalyptic number.

20372528650 is a deficient number, since it is larger than the sum of its proper divisors (19514739830).

20372528650 is a wasteful number, since it uses less digits than its factorization.

20372528650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21444798 (or 21444793 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20372528650 in words is "twenty billion, three hundred seventy-two million, five hundred twenty-eight thousand, six hundred fifty".