204023480 has 16 divisors (see below), whose sum is σ = 459052920. Its totient is φ = 81609376.

The previous prime is 204023471. The next prime is 204023489. The reversal of 204023480 is 84320402.

It is an interprime number because it is at equal distance from previous prime (204023471) and next prime (204023489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204023489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550254 + ... + 2550333.

Almost surely, 2^204023480 is an apocalyptic number.

204023480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204023480 is an abundant number, since it is smaller than the sum of its proper divisors (255029440).

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

204023480 is a wasteful number, since it uses less digits than its factorization.

204023480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100598 (or 5100594 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 204023480 is about 14283.6787978448. The cubic root of 204023480 is about 588.6991159934.

Adding to 204023480 its reverse (84320402), we get a palindrome (288343882).

The spelling of 204023480 in words is "two hundred four million, twenty-three thousand, four hundred eighty".