204285970 has 64 divisors (see below), whose sum is σ = 443252736. Its totient is φ = 66306240.

The previous prime is 204285943. The next prime is 204285973. The reversal of 204285970 is 79582402.

It is not an unprimeable number, because it can be changed into a prime (204285973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100989 + ... + 102991.

It is an arithmetic number, because the mean of its divisors is an integer number (6925824).

Almost surely, 2^204285970 is an apocalyptic number.

204285970 is an abundant number, since it is smaller than the sum of its proper divisors (238966766).

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

204285970 is a wasteful number, since it uses less digits than its factorization.

204285970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 204285970 is about 14292.8643035607. The cubic root of 204285970 is about 588.9514748693.

The spelling of 204285970 in words is "two hundred four million, two hundred eighty-five thousand, nine hundred seventy".