20112002222 has 32 divisors (see below), whose sum is σ = 33684336000. Its totient is φ = 8942266368.

The previous prime is 20112002191. The next prime is 20112002237. The reversal of 20112002222 is 22220021102.

It is a junction number, because it is equal to n+sod(n) for n = 20112002197 and 20112002206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308843 + ... + 368249.

It is an arithmetic number, because the mean of its divisors is an integer number (1052635500).

Almost surely, 2^20112002222 is an apocalyptic number.

20112002222 is a deficient number, since it is larger than the sum of its proper divisors (13572333778).

20112002222 is a wasteful number, since it uses less digits than its factorization.

20112002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59900.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20112002222 its reverse (22220021102), we get a palindrome (42332023324).

The spelling of 20112002222 in words is "twenty billion, one hundred twelve million, two thousand, two hundred twenty-two".