20356037512 has 64 divisors (see below), whose sum is σ = 41040820800. Its totient is φ = 9445927680.

The previous prime is 20356037491. The next prime is 20356037539. The reversal of 20356037512 is 21573065302.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 698187 + ... + 726757.

It is an arithmetic number, because the mean of its divisors is an integer number (641262825).

Almost surely, 2^20356037512 is an apocalyptic number.

It is an amenable number.

20356037512 is an abundant number, since it is smaller than the sum of its proper divisors (20684783288).

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

20356037512 is a wasteful number, since it uses less digits than its factorization.

20356037512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28726 (or 28722 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 20356037512 in words is "twenty billion, three hundred fifty-six million, thirty-seven thousand, five hundred twelve".