122020122220020 has 144 divisors (see below), whose sum is σ = 382897577986560. Its totient is φ = 31416113127168.

The previous prime is 122020122220019. The next prime is 122020122220043. The reversal of 122020122220020 is 20022221020221.

122020122220020 is a `hidden beast` number, since 1 + 2 + 20 + 201 + 222 + 200 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122020122219975 and 122020122220002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346761007 + ... + 347112713.

It is an arithmetic number, because the mean of its divisors is an integer number (2659010958240).

Almost surely, 2^{122020122220020} is an apocalyptic number.

122020122220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020122220020 is an abundant number, since it is smaller than the sum of its proper divisors (260877455766540).

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

122020122220020 is a wasteful number, since it uses less digits than its factorization.

122020122220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418214 (or 418209 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 122020122220020 its reverse (20022221020221), we get a palindrome (142042343240241).

The spelling of 122020122220020 in words is "one hundred twenty-two trillion, twenty billion, one hundred twenty-two million, two hundred twenty thousand, twenty".