122021020220 has 24 divisors (see below), whose sum is σ = 279539065008. Its totient is φ = 44371280000.

The previous prime is 122021020217. The next prime is 122021020229. The reversal of 122021020220 is 22020120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021020195 and 122021020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021020229) 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, 277320281 + ... + 277320720.

It is an arithmetic number, because the mean of its divisors is an integer number (11647461042).

Almost surely, 2^122021020220 is an apocalyptic number.

122021020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021020220 is an abundant number, since it is smaller than the sum of its proper divisors (157518044788).

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

122021020220 is a wasteful number, since it uses less digits than its factorization.

122021020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554641021 (or 554641019 counting only the distinct ones).

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

Adding to 122021020220 its reverse (22020120221), we get a palindrome (144041140441).

The spelling of 122021020220 in words is "one hundred twenty-two billion, twenty-one million, twenty thousand, two hundred twenty".