20512602316 has 6 divisors (see below), whose sum is σ = 35897054060. Its totient is φ = 10256301156.

The previous prime is 20512602301. The next prime is 20512602317. The reversal of 20512602316 is 61320621502.

It is not an unprimeable number, because it can be changed into a prime (20512602317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564075286 + ... + 2564075293.

Almost surely, 2^20512602316 is an apocalyptic number.

It is an amenable number.

20512602316 is a deficient number, since it is larger than the sum of its proper divisors (15384451744).

20512602316 is a wasteful number, since it uses less digits than its factorization.

20512602316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128150583 (or 5128150581 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 20512602316 in words is "twenty billion, five hundred twelve million, six hundred two thousand, three hundred sixteen".