20456130244 has 24 divisors (see below), whose sum is σ = 39079611648. Its totient is φ = 9291812640.

The previous prime is 20456130199. The next prime is 20456130257. The reversal of 20456130244 is 44203165402.

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, 96052 + ... + 223915.

It is an arithmetic number, because the mean of its divisors is an integer number (1628317152).

Almost surely, 2^20456130244 is an apocalyptic number.

It is an amenable number.

20456130244 is a deficient number, since it is larger than the sum of its proper divisors (18623481404).

20456130244 is a wasteful number, since it uses less digits than its factorization.

20456130244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321435 (or 321433 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20456130244 its reverse (44203165402), we get a palindrome (64659295646).

The spelling of 20456130244 in words is "twenty billion, four hundred fifty-six million, one hundred thirty thousand, two hundred forty-four".