20010220022120 has 32 divisors (see below), whose sum is σ = 45202369554720. Its totient is φ = 7972199208000.

The previous prime is 20010220022053. The next prime is 20010220022123. The reversal of 20010220022120 is 2122002201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010220022095 and 20010220022104.

It is not an unprimeable number, because it can be changed into a prime (20010220022123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996514862 + ... + 996534941.

It is an arithmetic number, because the mean of its divisors is an integer number (1412574048585).

Almost surely, 2^{20010220022120} is an apocalyptic number.

20010220022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010220022120 is an abundant number, since it is smaller than the sum of its proper divisors (25192149532600).

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

20010220022120 is a wasteful number, since it uses less digits than its factorization.

20010220022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993050065 (or 1993050061 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20010220022120 its reverse (2122002201002), we get a palindrome (22132222223122).

The spelling of 20010220022120 in words is "twenty trillion, ten billion, two hundred twenty million, twenty-two thousand, one hundred twenty".