20112220110 has 16 divisors (see below), whose sum is σ = 48269328336. Its totient is φ = 5363258688.

The previous prime is 20112220069. The next prime is 20112220151. The reversal of 20112220110 is 1102221102.

It is an interprime number because it is at equal distance from previous prime (20112220069) and next prime (20112220151).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335203639 + ... + 335203698.

It is an arithmetic number, because the mean of its divisors is an integer number (3016833021).

Almost surely, 2^20112220110 is an apocalyptic number.

20112220110 is an abundant number, since it is smaller than the sum of its proper divisors (28157108226).

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

20112220110 is a wasteful number, since it uses less digits than its factorization.

20112220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670407347.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112220110 its reverse (1102221102), we get a palindrome (21214441212).

The spelling of 20112220110 in words is "twenty billion, one hundred twelve million, two hundred twenty thousand, one hundred ten".