20403104244 has 24 divisors (see below), whose sum is σ = 47613229440. Its totient is φ = 6800179584.

The previous prime is 20403104237. The next prime is 20403104269. The reversal of 20403104244 is 44240130402.

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, 3484 + ... + 202035.

It is an arithmetic number, because the mean of its divisors is an integer number (1983884560).

Almost surely, 2^20403104244 is an apocalyptic number.

It is an amenable number.

20403104244 is an abundant number, since it is smaller than the sum of its proper divisors (27210125196).

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

20403104244 is a wasteful number, since it uses less digits than its factorization.

20403104244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213799 (or 213797 counting only the distinct ones).

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

Adding to 20403104244 its reverse (44240130402), we get a palindrome (64643234646).

The spelling of 20403104244 in words is "twenty billion, four hundred three million, one hundred four thousand, two hundred forty-four".