20946357395 has 8 divisors (see below), whose sum is σ = 25137251856. Its totient is φ = 16756003936.

The previous prime is 20946357361. The next prime is 20946357403. The reversal of 20946357395 is 59375364902.

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 20946357395 - 2⁸ = 20946357139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44537 + ... + 209466.

It is an arithmetic number, because the mean of its divisors is an integer number (3142156482).

Almost surely, 2^20946357395 is an apocalyptic number.

20946357395 is a deficient number, since it is larger than the sum of its proper divisors (4190894461).

20946357395 is a wasteful number, since it uses less digits than its factorization.

20946357395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270501.

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 20946357395 in words is "twenty billion, nine hundred forty-six million, three hundred fifty-seven thousand, three hundred ninety-five".