20440113754 has 32 divisors (see below), whose sum is σ = 32656711680. Its totient is φ = 9574210800.

The previous prime is 20440113713. The next prime is 20440113767. The reversal of 20440113754 is 45731104402.

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, 721599 + ... + 749389.

It is an arithmetic number, because the mean of its divisors is an integer number (1020522240).

Almost surely, 2^20440113754 is an apocalyptic number.

20440113754 is a deficient number, since it is larger than the sum of its proper divisors (12216597926).

20440113754 is a wasteful number, since it uses less digits than its factorization.

20440113754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20440113754 in words is "twenty billion, four hundred forty million, one hundred thirteen thousand, seven hundred fifty-four".