20103012222 has 32 divisors (see below), whose sum is σ = 41603587200. Its totient is φ = 6468200928.

The previous prime is 20103012203. The next prime is 20103012229. The reversal of 20103012222 is 22221030102.

It is a happy number.

It is a super-2 number, since 2×20103012222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741673 + ... + 768299.

It is an arithmetic number, because the mean of its divisors is an integer number (1300112100).

Almost surely, 2^20103012222 is an apocalyptic number.

20103012222 is an abundant number, since it is smaller than the sum of its proper divisors (21500574978).

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

20103012222 is a wasteful number, since it uses less digits than its factorization.

20103012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31000.

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

Adding to 20103012222 its reverse (22221030102), we get a palindrome (42324042324).

The spelling of 20103012222 in words is "twenty billion, one hundred three million, twelve thousand, two hundred twenty-two".