122005422020 has 12 divisors (see below), whose sum is σ = 256211386284. Its totient is φ = 48802168800.

The previous prime is 122005422017. The next prime is 122005422037. The reversal of 122005422020 is 20224500221.

It can be written as a sum of positive squares in 2 ways, for example, as 41749931584 + 80255490436 = 204328^2 + 283294^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6100271101 = 122005422020 / (1 + 2 + 2 + 0 + 0 + 5 + 4 + 2 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 122005421983 and 122005422001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050135531 + ... + 3050135570.

It is an arithmetic number, because the mean of its divisors is an integer number (21350948857).

Almost surely, 2^122005422020 is an apocalyptic number.

122005422020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122005422020 is an abundant number, since it is smaller than the sum of its proper divisors (134205964264).

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

122005422020 is a wasteful number, since it uses less digits than its factorization.

122005422020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100271110 (or 6100271108 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 122005422020 its reverse (20224500221), we get a palindrome (142229922241).

The spelling of 122005422020 in words is "one hundred twenty-two billion, five million, four hundred twenty-two thousand, twenty".