3320643630 has 32 divisors (see below), whose sum is σ = 8316048384. Its totient is φ = 847004576.

The previous prime is 3320643617. The next prime is 3320643631. The reversal of 3320643630 is 363460233.

It is a super-2 number, since 2×3320643630² = 22053348234919153800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320643631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405574 + ... + 2406953.

It is an arithmetic number, because the mean of its divisors is an integer number (259876512).

Almost surely, 2^3320643630 is an apocalyptic number.

3320643630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3320643630 is an abundant number, since it is smaller than the sum of its proper divisors (4995404754).

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

3320643630 is a wasteful number, since it uses less digits than its factorization.

3320643630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812560.

The product of its (nonzero) digits is 23328, while the sum is 30.

The square root of 3320643630 is about 57625.0260737468. The cubic root of 3320643630 is about 1491.9035817464.

The spelling of 3320643630 in words is "three billion, three hundred twenty million, six hundred forty-three thousand, six hundred thirty".