213606890202 has 24 divisors (see below), whose sum is σ = 432067965696. Its totient is φ = 70402255264.

The previous prime is 213606890153. The next prime is 213606890249. The reversal of 213606890202 is 202098606312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2199738 + ... + 2294789.

It is an arithmetic number, because the mean of its divisors is an integer number (18002831904).

Almost surely, 2^213606890202 is an apocalyptic number.

213606890202 is an abundant number, since it is smaller than the sum of its proper divisors (218461075494).

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

213606890202 is an equidigital number, since it uses as much as digits as its factorization.

213606890202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494710 (or 4494621 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 213606890202 in words is "two hundred thirteen billion, six hundred six million, eight hundred ninety thousand, two hundred two".