20042115344 has 20 divisors (see below), whose sum is σ = 40875367440. Its totient is φ = 9493633440.

The previous prime is 20042115329. The next prime is 20042115349. The reversal of 20042115344 is 44351124002.

It is not an unprimeable number, because it can be changed into a prime (20042115349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32963702 + ... + 32964309.

It is an arithmetic number, because the mean of its divisors is an integer number (2043768372).

Almost surely, 2^20042115344 is an apocalyptic number.

It is an amenable number.

20042115344 is an abundant number, since it is smaller than the sum of its proper divisors (20833252096).

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

20042115344 is a wasteful number, since it uses less digits than its factorization.

20042115344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65928038 (or 65928032 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20042115344 its reverse (44351124002), we get a palindrome (64393239346).

The spelling of 20042115344 in words is "twenty billion, forty-two million, one hundred fifteen thousand, three hundred forty-four".