204292090 has 16 divisors (see below), whose sum is σ = 368035488. Its totient is φ = 81648016.

The previous prime is 204292087. The next prime is 204292093. The reversal of 204292090 is 90292402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204292087) and next prime (204292093).

It is not an unprimeable number, because it can be changed into a prime (204292093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4869 + ... + 20791.

It is an arithmetic number, because the mean of its divisors is an integer number (23002218).

Almost surely, 2^204292090 is an apocalyptic number.

204292090 is a deficient number, since it is larger than the sum of its proper divisors (163743398).

204292090 is a wasteful number, since it uses less digits than its factorization.

204292090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17213.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 204292090 is about 14293.0783948035. The cubic root of 204292090 is about 588.9573560809.

The spelling of 204292090 in words is "two hundred four million, two hundred ninety-two thousand, ninety".