204042322020 has 48 divisors (see below), whose sum is σ = 601387899840. Its totient is φ = 51547533696.

The previous prime is 204042321983. The next prime is 204042322063. The reversal of 204042322020 is 20223240402.

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, 89491107 + ... + 89493386.

It is an arithmetic number, because the mean of its divisors is an integer number (12528914580).

Almost surely, 2^204042322020 is an apocalyptic number.

204042322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204042322020 is an abundant number, since it is smaller than the sum of its proper divisors (397345577820).

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

204042322020 is a wasteful number, since it uses less digits than its factorization.

204042322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178984524 (or 178984522 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 204042322020 its reverse (20223240402), we get a palindrome (224265562422).

The spelling of 204042322020 in words is "two hundred four billion, forty-two million, three hundred twenty-two thousand, twenty".