22110122020 has 36 divisors (see below), whose sum is σ = 54011871900. Its totient is φ = 7580612928.

The previous prime is 22110122017. The next prime is 22110122081. The reversal of 22110122020 is 2022101122.

22110122020 = T₁₃₃₁₂ + T₁₃₃₁₃ + ... + T₁₃₅₅₆.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13076379904 + 9033742116 = 114352^2 + 95046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11279695 + ... + 11281654.

It is an arithmetic number, because the mean of its divisors is an integer number (1500329775).

Almost surely, 2^22110122020 is an apocalyptic number.

22110122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110122020 is an abundant number, since it is smaller than the sum of its proper divisors (31901749880).

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

22110122020 is a wasteful number, since it uses less digits than its factorization.

22110122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22561372 (or 22561363 counting only the distinct ones).

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

Adding to 22110122020 its reverse (2022101122), we get a palindrome (24132223142).

The spelling of 22110122020 in words is "twenty-two billion, one hundred ten million, one hundred twenty-two thousand, twenty".