20326322572 has 24 divisors (see below), whose sum is σ = 35691639984. Its totient is φ = 10128767232.

The previous prime is 20326322539. The next prime is 20326322573. The reversal of 20326322572 is 27522362302.

It is not an unprimeable number, because it can be changed into a prime (20326322573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594528 + ... + 1607224.

It is an arithmetic number, because the mean of its divisors is an integer number (1487151666).

Almost surely, 2^20326322572 is an apocalyptic number.

It is an amenable number.

20326322572 is a deficient number, since it is larger than the sum of its proper divisors (15365317412).

20326322572 is a wasteful number, since it uses less digits than its factorization.

20326322572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14025 (or 14023 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 20326322572 its reverse (27522362302), we get a palindrome (47848684874).

The spelling of 20326322572 in words is "twenty billion, three hundred twenty-six million, three hundred twenty-two thousand, five hundred seventy-two".