20542346024 has 16 divisors (see below), whose sum is σ = 39336408000. Its totient is φ = 10052637232.

The previous prime is 20542346009. The next prime is 20542346029. The reversal of 20542346024 is 42064324502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20542346029) 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, 27316574 + ... + 27317325.

It is an arithmetic number, because the mean of its divisors is an integer number (2458525500).

Almost surely, 2^20542346024 is an apocalyptic number.

It is an amenable number.

20542346024 is a deficient number, since it is larger than the sum of its proper divisors (18794061976).

20542346024 is a wasteful number, since it uses less digits than its factorization.

20542346024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54633952 (or 54633948 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The spelling of 20542346024 in words is "twenty billion, five hundred forty-two million, three hundred forty-six thousand, twenty-four".