204022400043 has 32 divisors (see below), whose sum is σ = 339602434560. Its totient is φ = 105845564160.

The previous prime is 204022399993. The next prime is 204022400051. The reversal of 204022400043 is 340004220402.

It is not a de Polignac number, because 204022400043 - 2⁶ = 204022399979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 204022399992 and 204022400019.

It is not an unprimeable number, because it can be changed into a prime (204022400143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408498 + ... + 758231.

It is an arithmetic number, because the mean of its divisors is an integer number (10612576080).

Almost surely, 2^204022400043 is an apocalyptic number.

204022400043 is a deficient number, since it is larger than the sum of its proper divisors (135580034517).

204022400043 is a wasteful number, since it uses less digits than its factorization.

204022400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167507.

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

Adding to 204022400043 its reverse (340004220402), we get a palindrome (544026620445).

The spelling of 204022400043 in words is "two hundred four billion, twenty-two million, four hundred thousand, forty-three".