122001202020 has 48 divisors (see below), whose sum is σ = 341940755520. Its totient is φ = 32501521536.

The previous prime is 122001202003. The next prime is 122001202031. The reversal of 122001202020 is 20202100221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122001201987 and 122001202005.

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, 942850 + ... + 1064409.

It is an arithmetic number, because the mean of its divisors is an integer number (7123765740).

Almost surely, 2^122001202020 is an apocalyptic number.

122001202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122001202020 is an abundant number, since it is smaller than the sum of its proper divisors (219939553500).

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

122001202020 is a wasteful number, since it uses less digits than its factorization.

122001202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008284 (or 2008282 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 122001202020 its reverse (20202100221), we get a palindrome (142203302241).

The spelling of 122001202020 in words is "one hundred twenty-two billion, one million, two hundred two thousand, twenty".