3320477720 has 64 divisors (see below), whose sum is σ = 8552113920. Its totient is φ = 1136617344.

The previous prime is 3320477711. The next prime is 3320477747. The reversal of 3320477720 is 277740233.

It is a super-2 number, since 2×3320477720² = 22051144578032796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170819 + ... + 189261.

It is an arithmetic number, because the mean of its divisors is an integer number (133626780).

Almost surely, 2^3320477720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3320477720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4276056960).

3320477720 is an abundant number, since it is smaller than the sum of its proper divisors (5231636200).

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

3320477720 is a wasteful number, since it uses less digits than its factorization.

3320477720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19104 (or 19100 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 3320477720 is about 57623.5864902559. The cubic root of 3320477720 is about 1491.8787345708.

The spelling of 3320477720 in words is "three billion, three hundred twenty million, four hundred seventy-seven thousand, seven hundred twenty".