3105020 has 12 divisors (see below), whose sum is σ = 6520584. Its totient is φ = 1242000.

The previous prime is 3105007. The next prime is 3105041. The reversal of 3105020 is 205013.

It is a super-2 number, since 2×3105020² = 19282298400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3104992 and 3105010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77606 + ... + 77645.

It is an arithmetic number, because the mean of its divisors is an integer number (543382).

Almost surely, 2^3105020 is an apocalyptic number.

It is an amenable number.

3105020 is an abundant number, since it is smaller than the sum of its proper divisors (3415564).

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

3105020 is a wasteful number, since it uses less digits than its factorization.

3105020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155260 (or 155258 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 3105020 is about 1762.1066937050. The cubic root of 3105020 is about 145.8886371653. Note that the first 3 decimals are identical.

The spelling of 3105020 in words is "three million, one hundred five thousand, twenty".