20312033013330 has 32 divisors (see below), whose sum is σ = 48754560875328. Its totient is φ = 5415910843200.

The previous prime is 20312033013323. The next prime is 20312033013379. The reversal of 20312033013330 is 3331033021302.

It is a self number, because there is not a number n which added to its sum of digits gives 20312033013330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39194136 + ... + 39708995.

It is an arithmetic number, because the mean of its divisors is an integer number (1523580027354).

Almost surely, 2^{20312033013330} is an apocalyptic number.

20312033013330 is an abundant number, since it is smaller than the sum of its proper divisors (28442527861998).

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

20312033013330 is a wasteful number, since it uses less digits than its factorization.

20312033013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78911722.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 20312033013330 its reverse (3331033021302), we get a palindrome (23643066034632).

The spelling of 20312033013330 in words is "twenty trillion, three hundred twelve billion, thirty-three million, thirteen thousand, three hundred thirty".