20945392059 has 16 divisors (see below), whose sum is σ = 28245127680. Its totient is φ = 13805419680.

The previous prime is 20945392057. The next prime is 20945392087. The reversal of 20945392059 is 95029354902.

It is a happy number.

It is not a de Polignac number, because 20945392059 - 2¹ = 20945392057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20945391999 and 20945392017.

It is not an unprimeable number, because it can be changed into a prime (20945392051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6654 + ... + 204780.

It is an arithmetic number, because the mean of its divisors is an integer number (1765320480).

Almost surely, 2^20945392059 is an apocalyptic number.

20945392059 is a deficient number, since it is larger than the sum of its proper divisors (7299735621).

20945392059 is a wasteful number, since it uses less digits than its factorization.

20945392059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198530.

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 20945392059 in words is "twenty billion, nine hundred forty-five million, three hundred ninety-two thousand, fifty-nine".