20333131213330 has 16 divisors (see below), whose sum is σ = 39414992813784. Its totient is φ = 7507617678720.

The previous prime is 20333131213273. The next prime is 20333131213331. The reversal of 20333131213330 is 3331213133302.

It can be written as a sum of positive squares in 4 ways, for example, as 6445561293721 + 13887569919609 = 2538811^2 + 3726603^2 .

It is not an unprimeable number, because it can be changed into a prime (20333131213331) 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, 78204350691 + ... + 78204350950.

Almost surely, 2^{20333131213330} is an apocalyptic number.

20333131213330 is a deficient number, since it is larger than the sum of its proper divisors (19081861600454).

20333131213330 is a wasteful number, since it uses less digits than its factorization.

20333131213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156408701661.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 20333131213330 its reverse (3331213133302), we get a palindrome (23664344346632).

The spelling of 20333131213330 in words is "twenty trillion, three hundred thirty-three billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred thirty".