20376153764 has 6 divisors (see below), whose sum is σ = 35658269094. Its totient is φ = 10188076880.

The previous prime is 20376153761. The next prime is 20376153769. The reversal of 20376153764 is 46735167302.

It can be written as a sum of positive squares in only one way, i.e., 18106393600 + 2269760164 = 134560^2 + 47642^2 .

It is not an unprimeable number, because it can be changed into a prime (20376153761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2547019217 + ... + 2547019224.

It is an arithmetic number, because the mean of its divisors is an integer number (5943044849).

Almost surely, 2^20376153764 is an apocalyptic number.

It is an amenable number.

20376153764 is a deficient number, since it is larger than the sum of its proper divisors (15282115330).

20376153764 is a wasteful number, since it uses less digits than its factorization.

20376153764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094038445 (or 5094038443 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 20376153764 in words is "twenty billion, three hundred seventy-six million, one hundred fifty-three thousand, seven hundred sixty-four".