122201002020 has 24 divisors (see below), whose sum is σ = 342162805824. Its totient is φ = 32586933856.

The previous prime is 122201002003. The next prime is 122201002031. The reversal of 122201002020 is 20200102221.

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 = 122201001987 and 122201002005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018341624 + ... + 1018341743.

It is an arithmetic number, because the mean of its divisors is an integer number (14256783576).

Almost surely, 2^122201002020 is an apocalyptic number.

122201002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201002020 is an abundant number, since it is smaller than the sum of its proper divisors (219961803804).

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

122201002020 is a wasteful number, since it uses less digits than its factorization.

122201002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036683379 (or 2036683377 counting only the distinct ones).

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

Adding to 122201002020 its reverse (20200102221), we get a palindrome (142401104241).

The spelling of 122201002020 in words is "one hundred twenty-two billion, two hundred one million, two thousand, twenty".