204969402 has 36 divisors (see below), whose sum is σ = 488148570. Its totient is φ = 62111280.

The previous prime is 204969389. The next prime is 204969431.

204969402 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 204175521 + 793881 = 14289^2 + 891^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44877 + ... + 49232.

Almost surely, 2^204969402 is an apocalyptic number.

204969402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204969402 is an abundant number, since it is smaller than the sum of its proper divisors (283179168).

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

204969402 is a wasteful number, since it uses less digits than its factorization.

204969402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94139 (or 94125 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 204969402 is about 14316.7524948921. The cubic root of 204969402 is about 589.6075164260.

The spelling of 204969402 in words is "two hundred four million, nine hundred sixty-nine thousand, four hundred two".