200686740 has 48 divisors (see below), whose sum is σ = 591501120. Its totient is φ = 50699520.

The previous prime is 200686729. The next prime is 200686771. The reversal of 200686740 is 47686002.

It is a super-2 number, since 2×200686740² = 80550335223655200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86881 + ... + 89160.

It is an arithmetic number, because the mean of its divisors is an integer number (12322940).

Almost surely, 2^200686740 is an apocalyptic number.

200686740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200686740 is an abundant number, since it is smaller than the sum of its proper divisors (390814380).

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

200686740 is a wasteful number, since it uses less digits than its factorization.

200686740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176072 (or 176070 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 200686740 is about 14166.3947424883. The cubic root of 200686740 is about 585.4721296360.

The spelling of 200686740 in words is "two hundred million, six hundred eighty-six thousand, seven hundred forty".