20002330320 has 160 divisors (see below), whose sum is σ = 70977814272. Its totient is φ = 4564709376.

The previous prime is 20002330279. The next prime is 20002330333. The reversal of 20002330320 is 2303320002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20002330320.

It is a congruent number.

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, 1087924 + ... + 1106156.

Almost surely, 2^20002330320 is an apocalyptic number.

20002330320 is a gapful number since it is divisible by the number (20) 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 20002330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35488907136).

20002330320 is an abundant number, since it is smaller than the sum of its proper divisors (50975483952).

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

20002330320 is a wasteful number, since it uses less digits than its factorization.

20002330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909 (or 18903 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20002330320 its reverse (2303320002), we get a palindrome (22305650322).

The spelling of 20002330320 in words is "twenty billion, two million, three hundred thirty thousand, three hundred twenty".