20220122100020 has 96 divisors (see below), whose sum is σ = 45028623790080. Its totient is φ = 7600675512320.

The previous prime is 20220122100007. The next prime is 20220122100089. The reversal of 20220122100020 is 2000122102202.

It is a junction number, because it is equal to n+sod(n) for n = 20220122099968 and 20220122100004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862363937 + ... + 862387383.

It is an arithmetic number, because the mean of its divisors is an integer number (469048164480).

Almost surely, 2^{20220122100020} is an apocalyptic number.

20220122100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220122100020 is an abundant number, since it is smaller than the sum of its proper divisors (24808501690060).

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

20220122100020 is a wasteful number, since it uses less digits than its factorization.

20220122100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27233 (or 27231 counting only the distinct ones).

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

Adding to 20220122100020 its reverse (2000122102202), we get a palindrome (22220244202222).

The spelling of 20220122100020 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two million, one hundred thousand, twenty".