122020000020 has 96 divisors (see below), whose sum is σ = 401948265600. Its totient is φ = 30624625152.

The previous prime is 122020000019. The next prime is 122020000021. The reversal of 122020000020 is 20000020221.

122020000020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (122020000019) and next prime (122020000021).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 122019999957 and 122020000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020000021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6636790 + ... + 6655149.

It is an arithmetic number, because the mean of its divisors is an integer number (4186961100).

Almost surely, 2^122020000020 is an apocalyptic number.

122020000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020000020 is an abundant number, since it is smaller than the sum of its proper divisors (279928265580).

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

122020000020 is a wasteful number, since it uses less digits than its factorization.

122020000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291974 (or 13291966 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 122020000020 its reverse (20000020221), we get a palindrome (142020020241).

The spelling of 122020000020 in words is "one hundred twenty-two billion, twenty million, twenty", and thus it is an aban number.