204430442023020 has 48 divisors (see below), whose sum is σ = 602531829123840. Its totient is φ = 51645585352896.

The previous prime is 204430442023019. The next prime is 204430442023033. The reversal of 204430442023020 is 20320244034402.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 89662473432 + ... + 89662475711.

It is an arithmetic number, because the mean of its divisors is an integer number (12552746440080).

Almost surely, 2^{204430442023020} is an apocalyptic number.

204430442023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204430442023020 is an abundant number, since it is smaller than the sum of its proper divisors (398101387100820).

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

204430442023020 is a wasteful number, since it uses less digits than its factorization.

204430442023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179324949174 (or 179324949172 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 204430442023020 its reverse (20320244034402), we get a palindrome (224750686057422).

The spelling of 204430442023020 in words is "two hundred four trillion, four hundred thirty billion, four hundred forty-two million, twenty-three thousand, twenty".