2620020 has 48 divisors (see below), whose sum is σ = 7902720. Its totient is φ = 644736.

The previous prime is 2620019. The next prime is 2620021. The reversal of 2620020 is 200262.

It is an interprime number because it is at equal distance from previous prime (2620019) and next prime (2620021).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2619978 and 2620005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2^2620020 is an apocalyptic number.

2620020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2620020 is an abundant number, since it is smaller than the sum of its proper divisors (5282700).

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

2620020 is a wasteful number, since it uses less digits than its factorization.

2620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2620020 is about 1618.6475836327. The cubic root of 2620020 is about 137.8589190405.

Adding to 2620020 its reverse (200262), we get a palindrome (2820282).

The spelling of 2620020 in words is "two million, six hundred twenty thousand, twenty".