204242246164020 has 48 divisors (see below), whose sum is σ = 575302710181248. Its totient is φ = 54138463651200.

The previous prime is 204242246163959. The next prime is 204242246164051. The reversal of 204242246164020 is 20461642242402.

It is a self number, because there is not a number n which added to its sum of digits gives 204242246164020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10191718831 + ... + 10191738870.

It is an arithmetic number, because the mean of its divisors is an integer number (11985473128776).

Almost surely, 2^{204242246164020} is an apocalyptic number.

204242246164020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204242246164020 is an abundant number, since it is smaller than the sum of its proper divisors (371060464017228).

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

204242246164020 is a wasteful number, since it uses less digits than its factorization.

204242246164020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20383457880 (or 20383457878 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 39.

The spelling of 204242246164020 in words is "two hundred four trillion, two hundred forty-two billion, two hundred forty-six million, one hundred sixty-four thousand, twenty".