204726542020 has 192 divisors, whose sum is σ = 586709448192. Its totient is φ = 57936384000.

The previous prime is 204726541991. The next prime is 204726542051. The reversal of 204726542020 is 20245627402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1137400 + ... + 1305040.

It is an arithmetic number, because the mean of its divisors is an integer number (3055778376).

Almost surely, 2^204726542020 is an apocalyptic number.

204726542020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204726542020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293354724096).

204726542020 is an abundant number, since it is smaller than the sum of its proper divisors (381982906172).

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

204726542020 is a wasteful number, since it uses less digits than its factorization.

204726542020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167742 (or 167740 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 204726542020 in words is "two hundred four billion, seven hundred twenty-six million, five hundred forty-two thousand, twenty".