122022220020 has 96 divisors (see below), whose sum is σ = 347434012800. Its totient is φ = 31993657344.

The previous prime is 122022219997. The next prime is 122022220027. The reversal of 122022220020 is 20022220221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022220027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892032 + ... + 1019688.

It is an arithmetic number, because the mean of its divisors is an integer number (3619104300).

Almost surely, 2^122022220020 is an apocalyptic number.

122022220020 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 122022220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173717006400).

122022220020 is an abundant number, since it is smaller than the sum of its proper divisors (225411792780).

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

122022220020 is a wasteful number, since it uses less digits than its factorization.

122022220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127937 (or 127935 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 122022220020 its reverse (20022220221), we get a palindrome (142044440241).

The spelling of 122022220020 in words is "one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, twenty".