2020220122122 has 56 divisors (see below), whose sum is σ = 4545304562916. Its totient is φ = 673126920576.

The previous prime is 2020220122103. The next prime is 2020220122153. The reversal of 2020220122122 is 2212210220202.

2020220122122 is a `hidden beast` number, since 20 + 202 + 201 + 221 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1352124770481 + 668095351641 = 1162809^2 + 817371^2 .

It is a super-3 number, since 3×2020220122122³ (a number of 38 digits) contains 333 as substring.

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 = 2020220122095 and 2020220122104.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3237348 + ... + 3810624.

Almost surely, 2^{2020220122122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020220122122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272652281458).

2020220122122 is an abundant number, since it is smaller than the sum of its proper divisors (2525084440794).

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

2020220122122 is an equidigital number, since it uses as much as digits as its factorization.

2020220122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575714 (or 575699 counting only the distinct ones).

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

Adding to 2020220122122 its reverse (2212210220202), we get a palindrome (4232430342324).

The spelling of 2020220122122 in words is "two trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".