204420401402 has 16 divisors (see below), whose sum is σ = 352195958400. Its totient is φ = 87168497328.

The previous prime is 204420401399. The next prime is 204420401429. The reversal of 204420401402 is 204104024402.

204420401402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36684293 + ... + 36689864.

It is an arithmetic number, because the mean of its divisors is an integer number (22012247400).

Almost surely, 2^204420401402 is an apocalyptic number.

204420401402 is a deficient number, since it is larger than the sum of its proper divisors (147775556998).

204420401402 is a wasteful number, since it uses less digits than its factorization.

204420401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73374365.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 204420401402 its reverse (204104024402), we get a palindrome (408524425804).

The spelling of 204420401402 in words is "two hundred four billion, four hundred twenty million, four hundred one thousand, four hundred two".