20122102200020 has 48 divisors (see below), whose sum is σ = 42569494894080. Its totient is φ = 7989231244416.

The previous prime is 20122102200019. The next prime is 20122102200071. The reversal of 20122102200020 is 2000220122102.

It is a junction number, because it is equal to n+sod(n) for n = 20122102199968 and 20122102200004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12304814 + ... + 13843866.

It is an arithmetic number, because the mean of its divisors is an integer number (886864476960).

Almost surely, 2^{20122102200020} is an apocalyptic number.

20122102200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122102200020 is an abundant number, since it is smaller than the sum of its proper divisors (22447392694060).

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

20122102200020 is a wasteful number, since it uses less digits than its factorization.

20122102200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543904 (or 1543902 counting only the distinct ones).

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

Adding to 20122102200020 its reverse (2000220122102), we get a palindrome (22122322322122).

The spelling of 20122102200020 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, two hundred thousand, twenty".