20333100213 has 48 divisors (see below), whose sum is σ = 30615748800. Its totient is φ = 12992389632.

The previous prime is 20333100199. The next prime is 20333100247. The reversal of 20333100213 is 31200133302.

20333100213 is a `hidden beast` number, since 20 + 333 + 100 + 213 = 666.

It is not a de Polignac number, because 20333100213 - 2¹⁶ = 20333034677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333100413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11966838 + ... + 11968536.

It is an arithmetic number, because the mean of its divisors is an integer number (637828100).

Almost surely, 2^20333100213 is an apocalyptic number.

It is an amenable number.

20333100213 is a deficient number, since it is larger than the sum of its proper divisors (10282648587).

20333100213 is a wasteful number, since it uses less digits than its factorization.

20333100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20333100213 its reverse (31200133302), we get a palindrome (51533233515).

The spelling of 20333100213 in words is "twenty billion, three hundred thirty-three million, one hundred thousand, two hundred thirteen".