20003310320 has 80 divisors (see below), whose sum is σ = 54023083968. Its totient is φ = 6745835520.

The previous prime is 20003310317. The next prime is 20003310329. The reversal of 20003310320 is 2301330002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20003310295 and 20003310304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003310329) 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, 258629 + ... + 326948.

Almost surely, 2^20003310320 is an apocalyptic number.

20003310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003310320 is an abundant number, since it is smaller than the sum of its proper divisors (34019773648).

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

20003310320 is a wasteful number, since it uses less digits than its factorization.

20003310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585658 (or 585652 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20003310320 its reverse (2301330002), we get a palindrome (22304640322).

The spelling of 20003310320 in words is "twenty billion, three million, three hundred ten thousand, three hundred twenty".