20316057232 has 10 divisors (see below), whose sum is σ = 39362360918. Its totient is φ = 10158028608.

The previous prime is 20316057143. The next prime is 20316057241. The reversal of 20316057232 is 23275061302.

It can be written as a sum of positive squares in only one way, i.e., 14887904256 + 5428152976 = 122016^2 + 73676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20316057194 and 20316057203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634876773 + ... + 634876804.

Almost surely, 2^20316057232 is an apocalyptic number.

It is an amenable number.

20316057232 is a deficient number, since it is larger than the sum of its proper divisors (19046303686).

20316057232 is a wasteful number, since it uses less digits than its factorization.

20316057232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269753585 (or 1269753579 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 20316057232 in words is "twenty billion, three hundred sixteen million, fifty-seven thousand, two hundred thirty-two".