20570322773 has 64 divisors (see below), whose sum is σ = 29205657600. Its totient is φ = 13952943360.

The previous prime is 20570322709. The next prime is 20570322791. The reversal of 20570322773 is 37722307502.

It is not a de Polignac number, because 20570322773 - 2⁶ = 20570322709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570322793) 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 63 ways as a sum of consecutive naturals, for example, 4352990 + ... + 4357712.

It is an arithmetic number, because the mean of its divisors is an integer number (456338400).

Almost surely, 2^20570322773 is an apocalyptic number.

It is an amenable number.

20570322773 is a deficient number, since it is larger than the sum of its proper divisors (8635334827).

20570322773 is a wasteful number, since it uses less digits than its factorization.

20570322773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002.

The product of its (nonzero) digits is 123480, while the sum is 38.

It can be divided in two parts, 20570 and 322773, that added together give a palindrome (343343).

The spelling of 20570322773 in words is "twenty billion, five hundred seventy million, three hundred twenty-two thousand, seven hundred seventy-three".