206792680 has 16 divisors (see below), whose sum is σ = 465283620. Its totient is φ = 82717056.

The previous prime is 206792671. The next prime is 206792689. The reversal of 206792680 is 86297602.

It is an interprime number because it is at equal distance from previous prime (206792671) and next prime (206792689).

It can be written as a sum of positive squares in 2 ways, for example, as 199317924 + 7474756 = 14118^2 + 2734^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 5169817 = 206792680 / (2 + 0 + 6 + 7 + 9 + 2 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (206792689) 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, 2584869 + ... + 2584948.

Almost surely, 2^206792680 is an apocalyptic number.

206792680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206792680 is an abundant number, since it is smaller than the sum of its proper divisors (258490940).

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

206792680 is a wasteful number, since it uses less digits than its factorization.

206792680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169828 (or 5169824 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 206792680 is about 14380.2878969790. The cubic root of 206792680 is about 591.3506164556.

The spelling of 206792680 in words is "two hundred six million, seven hundred ninety-two thousand, six hundred eighty".