20542554224 has 80 divisors (see below), whose sum is σ = 41174775360. Its totient is φ = 9924372480.

The previous prime is 20542554191. The next prime is 20542554257. The reversal of 20542554224 is 42245524502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20542554191) and next prime (20542554257).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15026789 + ... + 15028155.

It is an arithmetic number, because the mean of its divisors is an integer number (514684692).

Almost surely, 2^20542554224 is an apocalyptic number.

It is an amenable number.

20542554224 is an abundant number, since it is smaller than the sum of its proper divisors (20632221136).

20542554224 is a wasteful number, since it uses less digits than its factorization.

20542554224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 20542554224 in words is "twenty billion, five hundred forty-two million, five hundred fifty-four thousand, two hundred twenty-four".