20330713542 has 64 divisors (see below), whose sum is σ = 44155238400. Its totient is φ = 6215377920.

The previous prime is 20330713519. The next prime is 20330713561. The reversal of 20330713542 is 24531703302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4342759 + ... + 4347437.

It is an arithmetic number, because the mean of its divisors is an integer number (689925600).

Almost surely, 2^20330713542 is an apocalyptic number.

20330713542 is an abundant number, since it is smaller than the sum of its proper divisors (23824524858).

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

20330713542 is a wasteful number, since it uses less digits than its factorization.

20330713542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781.

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 20330713542 in words is "twenty billion, three hundred thirty million, seven hundred thirteen thousand, five hundred forty-two".