200080644 has 12 divisors (see below), whose sum is σ = 466854864. Its totient is φ = 66693544.

The previous prime is 200080637. The next prime is 200080649. The reversal of 200080644 is 446080002.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (200080649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8336682 + ... + 8336705.

It is an arithmetic number, because the mean of its divisors is an integer number (38904572).

Almost surely, 2^200080644 is an apocalyptic number.

It is an amenable number.

200080644 is an abundant number, since it is smaller than the sum of its proper divisors (266774220).

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

200080644 is a wasteful number, since it uses less digits than its factorization.

200080644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16673394 (or 16673392 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 200080644 is about 14144.9865323372. The cubic root of 200080644 is about 584.8821385759.

The spelling of 200080644 in words is "two hundred million, eighty thousand, six hundred forty-four".