122210020020 has 48 divisors (see below), whose sum is σ = 373296063168. Its totient is φ = 29626671360.

The previous prime is 122210019937. The next prime is 122210020021. The reversal of 122210020020 is 20020012221.

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 = 122210019978 and 122210020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210020021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92582689 + ... + 92584008.

It is an arithmetic number, because the mean of its divisors is an integer number (7777001316).

Almost surely, 2^122210020020 is an apocalyptic number.

122210020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210020020 is an abundant number, since it is smaller than the sum of its proper divisors (251086043148).

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

122210020020 is a wasteful number, since it uses less digits than its factorization.

122210020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185166720 (or 185166718 counting only the distinct ones).

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

Adding to 122210020020 its reverse (20020012221), we get a palindrome (142230032241).

The spelling of 122210020020 in words is "one hundred twenty-two billion, two hundred ten million, twenty thousand, twenty".