20542932848 has 20 divisors (see below), whose sum is σ = 41896771560. Its totient is φ = 9730862784.

The previous prime is 20542932827. The next prime is 20542932853. The reversal of 20542932848 is 84823924502.

It is a super-2 number, since 2×20542932848² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33787415 + ... + 33788022.

It is an arithmetic number, because the mean of its divisors is an integer number (2094838578).

Almost surely, 2^20542932848 is an apocalyptic number.

It is an amenable number.

20542932848 is an abundant number, since it is smaller than the sum of its proper divisors (21353838712).

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

20542932848 is a wasteful number, since it uses less digits than its factorization.

20542932848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67575464 (or 67575458 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 20542932848 in words is "twenty billion, five hundred forty-two million, nine hundred thirty-two thousand, eight hundred forty-eight".