383538535220 has 48 divisors (see below), whose sum is σ = 826843163328. Its totient is φ = 149352925440.

The previous prime is 383538535213. The next prime is 383538535229. The reversal of 383538535220 is 22535835383.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383538535229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117842 + ... + 883721.

It is an arithmetic number, because the mean of its divisors is an integer number (17225899236).

Almost surely, 2^383538535220 is an apocalyptic number.

It is an amenable number.

383538535220 is an abundant number, since it is smaller than the sum of its proper divisors (443304628108).

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

383538535220 is a wasteful number, since it uses less digits than its factorization.

383538535220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002080 (or 1002078 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 383538535220 in words is "three hundred eighty-three billion, five hundred thirty-eight million, five hundred thirty-five thousand, two hundred twenty".