20388510496 has 24 divisors (see below), whose sum is σ = 40208298480. Its totient is φ = 10176879168.

The previous prime is 20388510473. The next prime is 20388510503. The reversal of 20388510496 is 69401588302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523926 + ... + 561493.

It is an arithmetic number, because the mean of its divisors is an integer number (1675345770).

Almost surely, 2^20388510496 is an apocalyptic number.

It is an amenable number.

20388510496 is a deficient number, since it is larger than the sum of its proper divisors (19819787984).

20388510496 is a wasteful number, since it uses less digits than its factorization.

20388510496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086016 (or 1086008 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 20388510496 in words is "twenty billion, three hundred eighty-eight million, five hundred ten thousand, four hundred ninety-six".