3022020 has 72 divisors (see below), whose sum is σ = 9312576. Its totient is φ = 793152.

The previous prime is 3021989. The next prime is 3022027. The reversal of 3022020 is 202203.

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

It is a junction number, because it is equal to n+sod(n) for n = 3021993 and 3022011.

It is not an unprimeable number, because it can be changed into a prime (3022027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18459 + ... + 18621.

Almost surely, 2^3022020 is an apocalyptic number.

3022020 is a gapful number since it is divisible by the number (30) 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 3022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4656288).

3022020 is an abundant number, since it is smaller than the sum of its proper divisors (6290556).

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

3022020 is a wasteful number, since it uses less digits than its factorization.

3022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 3022020 is about 1738.3958122361. The cubic root of 3022020 is about 144.5769675728.

Adding to 3022020 its reverse (202203), we get a palindrome (3224223).

The spelling of 3022020 in words is "three million, twenty-two thousand, twenty".