20244002402256 has 40 divisors (see below), whose sum is σ = 53183396148960. Its totient is φ = 6633627904896.

The previous prime is 20244002402227. The next prime is 20244002402269. The reversal of 20244002402256 is 65220420044202.

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, 3574150135 + ... + 3574155798.

It is an arithmetic number, because the mean of its divisors is an integer number (1329584903724).

Almost surely, 2^{20244002402256} is an apocalyptic number.

It is an amenable number.

20244002402256 is an abundant number, since it is smaller than the sum of its proper divisors (32939393746704).

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

20244002402256 is a wasteful number, since it uses less digits than its factorization.

20244002402256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148306003 (or 7148305997 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 20244002402256 its reverse (65220420044202), we get a palindrome (85464422446458).

The spelling of 20244002402256 in words is "twenty trillion, two hundred forty-four billion, two million, four hundred two thousand, two hundred fifty-six".