20832528307 has 4 divisors (see below), whose sum is σ = 20832821920. Its totient is φ = 20832234696.

The previous prime is 20832528289. The next prime is 20832528337. The reversal of 20832528307 is 70382523802.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20832528307 - 2⁷ = 20832528179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20832528307.

It is not an unprimeable number, because it can be changed into a prime (20832528337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33169 + ... + 206797.

It is an arithmetic number, because the mean of its divisors is an integer number (5208205480).

Almost surely, 2^20832528307 is an apocalyptic number.

20832528307 is a deficient number, since it is larger than the sum of its proper divisors (293613).

20832528307 is a wasteful number, since it uses less digits than its factorization.

20832528307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293612.

The product of its (nonzero) digits is 161280, while the sum is 40.

It can be divided in two parts, 208325 and 28307, that added together give a palindrome (236632).

The spelling of 20832528307 in words is "twenty billion, eight hundred thirty-two million, five hundred twenty-eight thousand, three hundred seven".