3420433320 has 128 divisors (see below), whose sum is σ = 10996352640. Its totient is φ = 848076800.

The previous prime is 3420433301. The next prime is 3420433349. The reversal of 3420433320 is 233340243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159220 + ... + 179420.

It is an arithmetic number, because the mean of its divisors is an integer number (85909005).

Almost surely, 2^3420433320 is an apocalyptic number.

3420433320 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 3420433320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5498176320).

3420433320 is an abundant number, since it is smaller than the sum of its proper divisors (7575919320).

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

3420433320 is a wasteful number, since it uses less digits than its factorization.

3420433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20315 (or 20311 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 3420433320 is about 58484.4707593392. The cubic root of 3420433320 is about 1506.7008830910.

Adding to 3420433320 its reverse (233340243), we get a palindrome (3653773563).

The spelling of 3420433320 in words is "three billion, four hundred twenty million, four hundred thirty-three thousand, three hundred twenty".