20847493353324 has 48 divisors (see below), whose sum is σ = 53074749401856. Its totient is φ = 6316421908800.

The previous prime is 20847493353319. The next prime is 20847493353397. The reversal of 20847493353324 is 42335339474802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11666992 + ... + 13334679.

It is an arithmetic number, because the mean of its divisors is an integer number (1105723945872).

Almost surely, 2^{20847493353324} is an apocalyptic number.

It is an amenable number.

20847493353324 is an abundant number, since it is smaller than the sum of its proper divisors (32227256048532).

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

20847493353324 is a wasteful number, since it uses less digits than its factorization.

20847493353324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008006 (or 25008004 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 57.

The spelling of 20847493353324 in words is "twenty trillion, eight hundred forty-seven billion, four hundred ninety-three million, three hundred fifty-three thousand, three hundred twenty-four".