3402403020 has 72 divisors (see below), whose sum is σ = 10330132176. Its totient is φ = 906471552.

The previous prime is 3402403019. The next prime is 3402403027. The reversal of 3402403020 is 203042043.

3402403020 is a `hidden beast` number, since 340 + 24 + 0 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3402402984 and 3402403002.

It is not an unprimeable number, because it can be changed into a prime (3402403027) 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, 201214 + ... + 217466.

It is an arithmetic number, because the mean of its divisors is an integer number (143474058).

Almost surely, 2^3402403020 is an apocalyptic number.

3402403020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3402403020 is an abundant number, since it is smaller than the sum of its proper divisors (6927729156).

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

3402403020 is a wasteful number, since it uses less digits than its factorization.

3402403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431 (or 17426 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3402403020 is about 58330.1210353622. The cubic root of 3402403020 is about 1504.0487684833.

Adding to 3402403020 its reverse (203042043), we get a palindrome (3605445063).

The spelling of 3402403020 in words is "three billion, four hundred two million, four hundred three thousand, twenty".