20127334764 has 48 divisors (see below), whose sum is σ = 48353681376. Its totient is φ = 6512217600.

The previous prime is 20127334741. The next prime is 20127334811. The reversal of 20127334764 is 46743372102.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 6907 + ... + 200754.

It is an arithmetic number, because the mean of its divisors is an integer number (1007368362).

Almost surely, 2^20127334764 is an apocalyptic number.

It is an amenable number.

20127334764 is an abundant number, since it is smaller than the sum of its proper divisors (28226346612).

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

20127334764 is a wasteful number, since it uses less digits than its factorization.

20127334764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207906 (or 207904 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 39.

The spelling of 20127334764 in words is "twenty billion, one hundred twenty-seven million, three hundred thirty-four thousand, seven hundred sixty-four".