3402020 has 12 divisors (see below), whose sum is σ = 7144284. Its totient is φ = 1360800.

The previous prime is 3402013. The next prime is 3402037. The reversal of 3402020 is 202043.

3402020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 2540836 = 928^2 + 1594^2 .

3402020 is a modest number, since divided by 2020 gives 340 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3401992 and 3402010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85031 + ... + 85070.

It is an arithmetic number, because the mean of its divisors is an integer number (595357).

Almost surely, 2^3402020 is an apocalyptic number.

It is an amenable number.

3402020 is an abundant number, since it is smaller than the sum of its proper divisors (3742264).

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

3402020 is a wasteful number, since it uses less digits than its factorization.

3402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170110 (or 170108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 3402020 is about 1844.4565595318. The cubic root of 3402020 is about 150.3992327749.

Adding to 3402020 its reverse (202043), we get a palindrome (3604063).

The spelling of 3402020 in words is "three million, four hundred two thousand, twenty".