122233120020 has 144 divisors (see below), whose sum is σ = 404817678720. Its totient is φ = 29607571200.

The previous prime is 122233120003. The next prime is 122233120049. The reversal of 122233120020 is 20021332221.

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 = 122233119975 and 122233120002.

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, 2408305 + ... + 2458535.

It is an arithmetic number, because the mean of its divisors is an integer number (2811233880).

Almost surely, 2^122233120020 is an apocalyptic number.

122233120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122233120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202408839360).

122233120020 is an abundant number, since it is smaller than the sum of its proper divisors (282584558700).

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

122233120020 is a wasteful number, since it uses less digits than its factorization.

122233120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51486 (or 51481 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 122233120020 its reverse (20021332221), we get a palindrome (142254452241).

The spelling of 122233120020 in words is "one hundred twenty-two billion, two hundred thirty-three million, one hundred twenty thousand, twenty".