20056057473 has 16 divisors (see below), whose sum is σ = 27029401280. Its totient is φ = 13227454656.

The previous prime is 20056057457. The next prime is 20056057519. The reversal of 20056057473 is 37475065002.

It is not a de Polignac number, because 20056057473 - 2⁴ = 20056057457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20056057673) 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, 14886 + ... + 200832.

It is an arithmetic number, because the mean of its divisors is an integer number (1689337580).

Almost surely, 2^20056057473 is an apocalyptic number.

It is an amenable number.

20056057473 is a deficient number, since it is larger than the sum of its proper divisors (6973343807).

20056057473 is a wasteful number, since it uses less digits than its factorization.

20056057473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186336.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 20056057473 in words is "twenty billion, fifty-six million, fifty-seven thousand, four hundred seventy-three".