20342733544 has 32 divisors (see below), whose sum is σ = 43604582400. Its totient is φ = 8715712320.

The previous prime is 20342733527. The next prime is 20342733569. The reversal of 20342733544 is 44533724302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141337 + ... + 246295.

It is an arithmetic number, because the mean of its divisors is an integer number (1362643200).

Almost surely, 2^20342733544 is an apocalyptic number.

It is an amenable number.

20342733544 is an abundant number, since it is smaller than the sum of its proper divisors (23261848856).

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

20342733544 is a wasteful number, since it uses less digits than its factorization.

20342733544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108433 (or 108429 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 20342733544 in words is "twenty billion, three hundred forty-two million, seven hundred thirty-three thousand, five hundred forty-four".