20110022120 has 32 divisors (see below), whose sum is σ = 45305114400. Its totient is φ = 8033775168.

The previous prime is 20110022113. The next prime is 20110022159. The reversal of 20110022120 is 2122001102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287930 + ... + 350889.

It is an arithmetic number, because the mean of its divisors is an integer number (1415784825).

Almost surely, 2^20110022120 is an apocalyptic number.

20110022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110022120 is an abundant number, since it is smaller than the sum of its proper divisors (25195092280).

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

20110022120 is a wasteful number, since it uses less digits than its factorization.

20110022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639617 (or 639613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20110022120 its reverse (2122001102), we get a palindrome (22232023222).

The spelling of 20110022120 in words is "twenty billion, one hundred ten million, twenty-two thousand, one hundred twenty".