20210528264 has 16 divisors (see below), whose sum is σ = 37905537600. Its totient is φ = 10102384912.

The previous prime is 20210528257. The next prime is 20210528291. The reversal of 20210528264 is 46282501202.

It is a self number, because there is not a number n which added to its sum of digits gives 20210528264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329924 + ... + 386355.

It is an arithmetic number, because the mean of its divisors is an integer number (2369096100).

Almost surely, 2^20210528264 is an apocalyptic number.

It is an amenable number.

20210528264 is a deficient number, since it is larger than the sum of its proper divisors (17695009336).

20210528264 is a wasteful number, since it uses less digits than its factorization.

20210528264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719812 (or 719808 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 20210528264 in words is "twenty billion, two hundred ten million, five hundred twenty-eight thousand, two hundred sixty-four".