20789130312 has 48 divisors (see below), whose sum is σ = 56311716240. Its totient is φ = 6928747488.

The previous prime is 20789130301. The next prime is 20789130353. The reversal of 20789130312 is 21303198702.

20789130312 is a `hidden beast` number, since 207 + 8 + 9 + 130 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661663 + ... + 692369.

It is an arithmetic number, because the mean of its divisors is an integer number (1173160755).

Almost surely, 2^20789130312 is an apocalyptic number.

It is an amenable number.

20789130312 is an abundant number, since it is smaller than the sum of its proper divisors (35522585928).

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

20789130312 is a wasteful number, since it uses less digits than its factorization.

20789130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40122 (or 40115 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 20789130312 in words is "twenty billion, seven hundred eighty-nine million, one hundred thirty thousand, three hundred twelve".