20572673335 has 32 divisors (see below), whose sum is σ = 26432583552. Its totient is φ = 15316684800.

The previous prime is 20572673333. The next prime is 20572673389. The reversal of 20572673335 is 53337627502.

It is a happy number.

It is not a de Polignac number, because 20572673335 - 2¹ = 20572673333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20572673291 and 20572673300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572673333) 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 31 ways as a sum of consecutive naturals, for example, 11734819 + ... + 11736571.

It is an arithmetic number, because the mean of its divisors is an integer number (826018236).

Almost surely, 2^20572673335 is an apocalyptic number.

20572673335 is a deficient number, since it is larger than the sum of its proper divisors (5859910217).

20572673335 is a wasteful number, since it uses less digits than its factorization.

20572673335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 793800, while the sum is 43.

It can be divided in two parts, 2057267 and 3335, that added together give a palindrome (2060602).

The spelling of 20572673335 in words is "twenty billion, five hundred seventy-two million, six hundred seventy-three thousand, three hundred thirty-five".