20813034824 has 32 divisors (see below), whose sum is σ = 40463971200. Its totient is φ = 10024311360.

The previous prime is 20813034821. The next prime is 20813034829. The reversal of 20813034824 is 42843031802.

It is not an unprimeable number, because it can be changed into a prime (20813034821) 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, 4082 + ... + 204065.

It is an arithmetic number, because the mean of its divisors is an integer number (1264499100).

Almost surely, 2^20813034824 is an apocalyptic number.

It is an amenable number.

20813034824 is a deficient number, since it is larger than the sum of its proper divisors (19650936376).

20813034824 is a wasteful number, since it uses less digits than its factorization.

20813034824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208613 (or 208609 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 20813034824 in words is "twenty billion, eight hundred thirteen million, thirty-four thousand, eight hundred twenty-four".