20033331212 has 6 divisors (see below), whose sum is σ = 35058329628. Its totient is φ = 10016665604.

The previous prime is 20033331191. The next prime is 20033331217. The reversal of 20033331212 is 21213333002.

It is not an unprimeable number, because it can be changed into a prime (20033331217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504166398 + ... + 2504166405.

It is an arithmetic number, because the mean of its divisors is an integer number (5843054938).

Almost surely, 2^20033331212 is an apocalyptic number.

It is an amenable number.

20033331212 is a deficient number, since it is larger than the sum of its proper divisors (15024998416).

20033331212 is a wasteful number, since it uses less digits than its factorization.

20033331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008332807 (or 5008332805 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20033331212 its reverse (21213333002), we get a palindrome (41246664214).

The spelling of 20033331212 in words is "twenty billion, thirty-three million, three hundred thirty-one thousand, two hundred twelve".