204432215402 has 16 divisors (see below), whose sum is σ = 318549715200. Its totient is φ = 98278472880.

The previous prime is 204432215401. The next prime is 204432215413. The reversal of 204432215402 is 204512234402.

204432215402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (204432215401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7359974 + ... + 7387697.

It is an arithmetic number, because the mean of its divisors is an integer number (19909357200).

Almost surely, 2^204432215402 is an apocalyptic number.

204432215402 is a deficient number, since it is larger than the sum of its proper divisors (114117499798).

204432215402 is a wasteful number, since it uses less digits than its factorization.

204432215402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14747941.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 204432215402 its reverse (204512234402), we get a palindrome (408944449804).

The spelling of 204432215402 in words is "two hundred four billion, four hundred thirty-two million, two hundred fifteen thousand, four hundred two".