20333013522 has 128 divisors (see below), whose sum is σ = 44126208000. Its totient is φ = 6233760000.

The previous prime is 20333013511. The next prime is 20333013527. The reversal of 20333013522 is 22531033302.

It is a junction number, because it is equal to n+sod(n) for n = 20333013492 and 20333013501.

It is not an unprimeable number, because it can be changed into a prime (20333013527) 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, 81007897 + ... + 81008147.

It is an arithmetic number, because the mean of its divisors is an integer number (344736000).

Almost surely, 2^20333013522 is an apocalyptic number.

20333013522 is an abundant number, since it is smaller than the sum of its proper divisors (23793194478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20333013522 is a wasteful number, since it uses less digits than its factorization.

20333013522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 20333013522 its reverse (22531033302), we get a palindrome (42864046824).

The spelling of 20333013522 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, five hundred twenty-two".