20020012222222 has 16 divisors (see below), whose sum is σ = 30078940360320. Its totient is φ = 9993706391032.

The previous prime is 20020012222211. The next prime is 20020012222229. The reversal of 20020012222222 is 22222221002002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020012222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020012222229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355533 + ... + 7162375.

It is an arithmetic number, because the mean of its divisors is an integer number (1879933772520).

Almost surely, 2^{20020012222222} is an apocalyptic number.

20020012222222 is a deficient number, since it is larger than the sum of its proper divisors (10058928138098).

20020012222222 is a wasteful number, since it uses less digits than its factorization.

20020012222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811127.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20020012222222 its reverse (22222221002002), we get a palindrome (42242233224224).

The spelling of 20020012222222 in words is "twenty trillion, twenty billion, twelve million, two hundred twenty-two thousand, two hundred twenty-two".