200390124 has 96 divisors (see below), whose sum is σ = 531965952. Its totient is φ = 58176000.

The previous prime is 200390123. The next prime is 200390143. The reversal of 200390124 is 421093002.

It is a self number, because there is not a number n which added to its sum of digits gives 200390124.

It is not an unprimeable number, because it can be changed into a prime (200390123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329829 + ... + 330435.

It is an arithmetic number, because the mean of its divisors is an integer number (5541312).

Almost surely, 2^200390124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200390124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265982976).

200390124 is an abundant number, since it is smaller than the sum of its proper divisors (331575828).

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

200390124 is a wasteful number, since it uses less digits than its factorization.

200390124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 200390124 is about 14155.9218703693. The cubic root of 200390124 is about 585.1835438389.

The spelling of 200390124 in words is "two hundred million, three hundred ninety thousand, one hundred twenty-four".