20440113740 has 48 divisors (see below), whose sum is σ = 45197913600. Its totient is φ = 7743241152.

The previous prime is 20440113713. The next prime is 20440113767. The reversal of 20440113740 is 4731104402.

It is an interprime number because it is at equal distance from previous prime (20440113713) and next prime (20440113767).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543427 + ... + 1556613.

It is an arithmetic number, because the mean of its divisors is an integer number (941623200).

Almost surely, 2^20440113740 is an apocalyptic number.

20440113740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440113740 is an abundant number, since it is smaller than the sum of its proper divisors (24757799860).

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

20440113740 is a wasteful number, since it uses less digits than its factorization.

20440113740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17294 (or 17292 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 20440113740 in words is "twenty billion, four hundred forty million, one hundred thirteen thousand, seven hundred forty".