204420423343210 has 32 divisors (see below), whose sum is σ = 375846255014400. Its totient is φ = 80015510020992.

The previous prime is 204420423343187. The next prime is 204420423343261. The reversal of 204420423343210 is 12343324024402.

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, 32167699 + ... + 37994758.

It is an arithmetic number, because the mean of its divisors is an integer number (11745195469200).

Almost surely, 2^{204420423343210} is an apocalyptic number.

204420423343210 is a deficient number, since it is larger than the sum of its proper divisors (171425831671190).

204420423343210 is a wasteful number, since it uses less digits than its factorization.

204420423343210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70168710.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 204420423343210 its reverse (12343324024402), we get a palindrome (216763747367612).

The spelling of 204420423343210 in words is "two hundred four trillion, four hundred twenty billion, four hundred twenty-three million, three hundred forty-three thousand, two hundred ten".