20533446415424 has 56 divisors (see below), whose sum is σ = 41330131764768. Its totient is φ = 10120398336000.

The previous prime is 20533446415411. The next prime is 20533446415487. The reversal of 20533446415424 is 42451464433502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030594 + ... + 8147009.

It is an arithmetic number, because the mean of its divisors is an integer number (738038067228).

Almost surely, 2^{20533446415424} is an apocalyptic number.

It is an amenable number.

20533446415424 is an abundant number, since it is smaller than the sum of its proper divisors (20796685349344).

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

20533446415424 is a wasteful number, since it uses less digits than its factorization.

20533446415424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177963 (or 13177953 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 20533446415424 in words is "twenty trillion, five hundred thirty-three billion, four hundred forty-six million, four hundred fifteen thousand, four hundred twenty-four".