20210120110220 has 12 divisors (see below), whose sum is σ = 42441252231504. Its totient is φ = 8084048044080.

The previous prime is 20210120110199. The next prime is 20210120110283. The reversal of 20210120110220 is 2201102101202.

It is a junction number, because it is equal to n+sod(n) for n = 20210120110195 and 20210120110204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505253002736 + ... + 505253002775.

It is an arithmetic number, because the mean of its divisors is an integer number (3536771019292).

Almost surely, 2^{20210120110220} is an apocalyptic number.

20210120110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210120110220 is an abundant number, since it is smaller than the sum of its proper divisors (22231132121284).

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

20210120110220 is a wasteful number, since it uses less digits than its factorization.

20210120110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010506005520 (or 1010506005518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210120110220 its reverse (2201102101202), we get a palindrome (22411222211422).

The spelling of 20210120110220 in words is "twenty trillion, two hundred ten billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".