204295940 has 24 divisors (see below), whose sum is σ = 433845720. Its totient is φ = 80799488.

The previous prime is 204295901. The next prime is 204295957. The reversal of 204295940 is 49592402.

It can be written as a sum of positive squares in 4 ways, for example, as 43665664 + 160630276 = 6608^2 + 12674^2 .

It is a super-2 number, since 2×204295940² = 83473662200967200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204295940.

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, 55607 + ... + 59166.

It is an arithmetic number, because the mean of its divisors is an integer number (18076905).

Almost surely, 2^204295940 is an apocalyptic number.

204295940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204295940 is an abundant number, since it is smaller than the sum of its proper divisors (229549780).

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

204295940 is a wasteful number, since it uses less digits than its factorization.

204295940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114871 (or 114869 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 204295940 is about 14293.2130747429. The cubic root of 204295940 is about 588.9610558025.

The spelling of 204295940 in words is "two hundred four million, two hundred ninety-five thousand, nine hundred forty".