120202102644 has 24 divisors (see below), whose sum is σ = 302046309600. Its totient is φ = 36985262304.

The previous prime is 120202102633. The next prime is 120202102681. The reversal of 120202102644 is 446201202021.

It is a happy number.

It is a congruent number.

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, 385262994 + ... + 385263305.

It is an arithmetic number, because the mean of its divisors is an integer number (12585262900).

Almost surely, 2^120202102644 is an apocalyptic number.

It is an amenable number.

120202102644 is an abundant number, since it is smaller than the sum of its proper divisors (181844206956).

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

120202102644 is a wasteful number, since it uses less digits than its factorization.

120202102644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770526319 (or 770526317 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 120202102644 its reverse (446201202021), we get a palindrome (566403304665).

The spelling of 120202102644 in words is "one hundred twenty billion, two hundred two million, one hundred two thousand, six hundred forty-four".