2020122 has 48 divisors (see below), whose sum is σ = 4815720. Its totient is φ = 608256.

The previous prime is 2020091. The next prime is 2020147. The reversal of 2020122 is 2210202.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 998001 = 1011^2 + 999^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20778 + ... + 20874.

2^2020122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2407860).

2020122 is an abundant number, since it is smaller than the sum of its proper divisors (2795598).

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

2020122 is a wasteful number, since it uses less digits than its factorization.

2020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020122 is about 1421.3099591574. The cubic root of 2020122 is about 126.4132313367.

Adding to 2020122 its reverse (2210202), we get a palindrome (4230324).

The spelling of 2020122 in words is "two million, twenty thousand, one hundred twenty-two".