204466890680 has 64 divisors (see below), whose sum is σ = 503836351200. Its totient is φ = 74215872000.

The previous prime is 204466890647. The next prime is 204466890689. The reversal of 204466890680 is 86098664402.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204466890689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301571 + ... + 3362930.

Almost surely, 2^204466890680 is an apocalyptic number.

204466890680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204466890680 is an abundant number, since it is smaller than the sum of its proper divisors (299369460520).

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

204466890680 is a wasteful number, since it uses less digits than its factorization.

204466890680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664584 (or 6664580 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 204466890680 in words is "two hundred four billion, four hundred sixty-six million, eight hundred ninety thousand, six hundred eighty".