20333120212 has 12 divisors (see below), whose sum is σ = 35949795700. Its totient is φ = 10061750016.

The previous prime is 20333120209. The next prime is 20333120279. The reversal of 20333120212 is 21202133302.

It can be written as a sum of positive squares in 2 ways, for example, as 8310874896 + 12022245316 = 91164^2 + 109646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20333120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26202087 + ... + 26202862.

Almost surely, 2^20333120212 is an apocalyptic number.

It is an amenable number.

20333120212 is a deficient number, since it is larger than the sum of its proper divisors (15616675488).

20333120212 is a wasteful number, since it uses less digits than its factorization.

20333120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52405050 (or 52405048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20333120212 its reverse (21202133302), we get a palindrome (41535253514).

The spelling of 20333120212 in words is "twenty billion, three hundred thirty-three million, one hundred twenty thousand, two hundred twelve".