200452990 has 16 divisors (see below), whose sum is σ = 363658752. Its totient is φ = 79549344.

The previous prime is 200452969. The next prime is 200453003. The reversal of 200452990 is 99254002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77649 + ... + 80188.

It is an arithmetic number, because the mean of its divisors is an integer number (22728672).

Almost surely, 2^200452990 is an apocalyptic number.

200452990 is a deficient number, since it is larger than the sum of its proper divisors (163205762).

200452990 is a wasteful number, since it uses less digits than its factorization.

200452990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157971.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 200452990 is about 14158.1421803851. The cubic root of 200452990 is about 585.2447316552.

The spelling of 200452990 in words is "two hundred million, four hundred fifty-two thousand, nine hundred ninety".