20012222110 has 32 divisors (see below), whose sum is σ = 36307022400. Its totient is φ = 7941777408.

The previous prime is 20012222107. The next prime is 20012222123. The reversal of 20012222110 is 1122221002.

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 15 ways as a sum of consecutive naturals, for example, 705991 + ... + 733789.

It is an arithmetic number, because the mean of its divisors is an integer number (1134594450).

Almost surely, 2^20012222110 is an apocalyptic number.

20012222110 is a deficient number, since it is larger than the sum of its proper divisors (16294800290).

20012222110 is a wasteful number, since it uses less digits than its factorization.

20012222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28372.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012222110 its reverse (1122221002), we get a palindrome (21134443112).

The spelling of 20012222110 in words is "twenty billion, twelve million, two hundred twenty-two thousand, one hundred ten".