200401900 has 36 divisors (see below), whose sum is σ = 435675240. Its totient is φ = 80012800.

The previous prime is 200401889. The next prime is 200401939. The reversal of 200401900 is 9104002.

It is a super-2 number, since 2×200401900² = 80321843047220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64380 + ... + 67420.

It is an arithmetic number, because the mean of its divisors is an integer number (12102090).

Almost surely, 2^200401900 is an apocalyptic number.

200401900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200401900 is an abundant number, since it is smaller than the sum of its proper divisors (235273340).

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

200401900 is a wasteful number, since it uses less digits than its factorization.

200401900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714 (or 3707 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 200401900 is about 14156.3378032597. The cubic root of 200401900 is about 585.1950064570.

Adding to 200401900 its reverse (9104002), we get a palindrome (209505902).

The spelling of 200401900 in words is "two hundred million, four hundred one thousand, nine hundred".