206632430 has 16 divisors (see below), whose sum is σ = 373010400. Its totient is φ = 82414752.

The previous prime is 206632427. The next prime is 206632441. The reversal of 206632430 is 34236602.

It is a super-2 number, since 2×206632430² = 85393922255409800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206632430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26114 + ... + 33093.

It is an arithmetic number, because the mean of its divisors is an integer number (23313150).

Almost surely, 2^206632430 is an apocalyptic number.

206632430 is a deficient number, since it is larger than the sum of its proper divisors (166377970).

206632430 is a wasteful number, since it uses less digits than its factorization.

206632430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59563.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 206632430 is about 14374.7149536956. The cubic root of 206632430 is about 591.1978250619.

The spelling of 206632430 in words is "two hundred six million, six hundred thirty-two thousand, four hundred thirty".