3020220 has 192 divisors, whose sum is σ = 11612160. Its totient is φ = 635904.

The previous prime is 3020219. The next prime is 3020231. The reversal of 3020220 is 220203.

3020220 = T₉₇ + T₉₈ + ... + T₂₆₆.

3020220 is nontrivially palindromic in base 13.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64237 + ... + 64283.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

Almost surely, 2^3020220 is an apocalyptic number.

3020220 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 3020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806080).

3020220 is an abundant number, since it is smaller than the sum of its proper divisors (8591940).

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

3020220 is a wasteful number, since it uses less digits than its factorization.

3020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 81 counting only the distinct ones).

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

The square root of 3020220 is about 1737.8780164327. The cubic root of 3020220 is about 144.5482571708.

Adding to 3020220 its reverse (220203), we get a palindrome (3240423).

It can be divided in two parts, 3020 and 220, that added together give a triangular number (3240 = T₈₀).

The spelling of 3020220 in words is "three million, twenty thousand, two hundred twenty".