213202200444 has 48 divisors (see below), whose sum is σ = 509256582912. Its totient is φ = 69385260672.

The previous prime is 213202200433. The next prime is 213202200473. The reversal of 213202200444 is 444002202312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148457 + ... + 1321119.

It is an arithmetic number, because the mean of its divisors is an integer number (10609512144).

Almost surely, 2^213202200444 is an apocalyptic number.

It is an amenable number.

213202200444 is an abundant number, since it is smaller than the sum of its proper divisors (296054382468).

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

213202200444 is a wasteful number, since it uses less digits than its factorization.

213202200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175106 (or 175104 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 213202200444 its reverse (444002202312), we get a palindrome (657204402756).

The spelling of 213202200444 in words is "two hundred thirteen billion, two hundred two million, two hundred thousand, four hundred forty-four".