20730488712 has 32 divisors (see below), whose sum is σ = 51835826880. Its totient is φ = 6908882240.

The previous prime is 20730488711. The next prime is 20730488717. The reversal of 20730488712 is 21788403702.

It is not an unprimeable number, because it can be changed into a prime (20730488711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56938 + ... + 211430.

It is an arithmetic number, because the mean of its divisors is an integer number (1619869590).

Almost surely, 2^20730488712 is an apocalyptic number.

It is an amenable number.

20730488712 is an abundant number, since it is smaller than the sum of its proper divisors (31105338168).

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

20730488712 is a wasteful number, since it uses less digits than its factorization.

20730488712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160093 (or 160089 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 20730488712 in words is "twenty billion, seven hundred thirty million, four hundred eighty-eight thousand, seven hundred twelve".