20030230320 has 80 divisors (see below), whose sum is σ = 62968326912. Its totient is φ = 5266159360.

The previous prime is 20030230307. The next prime is 20030230351. The reversal of 20030230320 is 2303203002.

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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20030230320.

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, 570702 + ... + 604781.

Almost surely, 2^20030230320 is an apocalyptic number.

20030230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030230320 is an abundant number, since it is smaller than the sum of its proper divisors (42938096592).

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

20030230320 is a wasteful number, since it uses less digits than its factorization.

20030230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175570 (or 1175564 counting only the distinct ones).

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

Adding to 20030230320 its reverse (2303203002), we get a palindrome (22333433322).

The spelling of 20030230320 in words is "twenty billion, thirty million, two hundred thirty thousand, three hundred twenty".