20533717033870 has 16 divisors (see below), whose sum is σ = 36975721486320. Its totient is φ = 8210146630144.

The previous prime is 20533717033847. The next prime is 20533717033877. The reversal of 20533717033870 is 7833071733502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533717033877) 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, 417497107 + ... + 417546286.

It is an arithmetic number, because the mean of its divisors is an integer number (2310982592895).

Almost surely, 2^{20533717033870} is an apocalyptic number.

20533717033870 is a deficient number, since it is larger than the sum of its proper divisors (16442004452450).

20533717033870 is a wasteful number, since it uses less digits than its factorization.

20533717033870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835045859.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 20533717033870 in words is "twenty trillion, five hundred thirty-three billion, seven hundred seventeen million, thirty-three thousand, eight hundred seventy".