200680731 has 6 divisors (see below), whose sum is σ = 289872180. Its totient is φ = 133787148.

The previous prime is 200680729. The next prime is 200680759. The reversal of 200680731 is 137086002.

It is not a de Polignac number, because 200680731 - 2¹ = 200680729 is a prime.

It is a super-2 number, since 2×200680731² = 80545511589388722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200680695 and 200680704.

It is not an unprimeable number, because it can be changed into a prime (200680231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11148921 + ... + 11148938.

It is an arithmetic number, because the mean of its divisors is an integer number (48312030).

Almost surely, 2^200680731 is an apocalyptic number.

200680731 is a deficient number, since it is larger than the sum of its proper divisors (89191449).

200680731 is a wasteful number, since it uses less digits than its factorization.

200680731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22297865 (or 22297862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 200680731 is about 14166.1826544768. The cubic root of 200680731 is about 585.4662861389.

The spelling of 200680731 in words is "two hundred million, six hundred eighty thousand, seven hundred thirty-one".