20376882593 has 8 divisors (see below), whose sum is σ = 20794890600. Its totient is φ = 19963075968.

The previous prime is 20376882563. The next prime is 20376882611. The reversal of 20376882593 is 39528867302.

It can be written as a sum of positive squares in 4 ways, for example, as 2093245504 + 18283637089 = 45752^2 + 135217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20376882593 - 2⁶ = 20376882529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20376882563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040546 + ... + 1059947.

It is an arithmetic number, because the mean of its divisors is an integer number (2599361325).

Almost surely, 2^20376882593 is an apocalyptic number.

It is an amenable number.

20376882593 is a deficient number, since it is larger than the sum of its proper divisors (418008007).

20376882593 is a wasteful number, since it uses less digits than its factorization.

20376882593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100691.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 20376882593 in words is "twenty billion, three hundred seventy-six million, eight hundred eighty-two thousand, five hundred ninety-three".