20743381795 has 32 divisors (see below), whose sum is σ = 26572867200. Its totient is φ = 15511440384.

The previous prime is 20743381751. The next prime is 20743381849. The reversal of 20743381795 is 59718334702.

It is a cyclic number.

It is not a de Polignac number, because 20743381795 - 2¹⁵ = 20743349027 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 903721 + ... + 926389.

It is an arithmetic number, because the mean of its divisors is an integer number (830402100).

Almost surely, 2^20743381795 is an apocalyptic number.

20743381795 is a deficient number, since it is larger than the sum of its proper divisors (5829485405).

20743381795 is a wasteful number, since it uses less digits than its factorization.

20743381795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22879.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 20743381795 in words is "twenty billion, seven hundred forty-three million, three hundred eighty-one thousand, seven hundred ninety-five".