213402205290 has 32 divisors (see below), whose sum is σ = 526007600640. Its totient is φ = 55369220544.

The previous prime is 213402205213. The next prime is 213402205321. The reversal of 213402205290 is 92502204312.

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, 96126010 + ... + 96128229.

It is an arithmetic number, because the mean of its divisors is an integer number (16437737520).

Almost surely, 2^213402205290 is an apocalyptic number.

213402205290 is an abundant number, since it is smaller than the sum of its proper divisors (312605395350).

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

213402205290 is a wasteful number, since it uses less digits than its factorization.

213402205290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192254286.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 213402205290 in words is "two hundred thirteen billion, four hundred two million, two hundred five thousand, two hundred ninety".