20013201222 has 48 divisors (see below), whose sum is σ = 46611658800. Its totient is φ = 5711876352.

The previous prime is 20013201167. The next prime is 20013201233. The reversal of 20013201222 is 22210231002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239154 + ... + 311802.

It is an arithmetic number, because the mean of its divisors is an integer number (971076225).

Almost surely, 2^20013201222 is an apocalyptic number.

20013201222 is an abundant number, since it is smaller than the sum of its proper divisors (26598457578).

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

20013201222 is a wasteful number, since it uses less digits than its factorization.

20013201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73605 (or 73598 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20013201222 its reverse (22210231002), we get a palindrome (42223432224).

The spelling of 20013201222 in words is "twenty billion, thirteen million, two hundred one thousand, two hundred twenty-two".