320203001300 has 144 divisors (see below), whose sum is σ = 876047596032. Its totient is φ = 98867174400.

The previous prime is 320203001299. The next prime is 320203001303. The reversal of 320203001300 is 3100302023.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320203001303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56012 + ... + 802211.

Almost surely, 2^320203001300 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 320203001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438023798016).

320203001300 is an abundant number, since it is smaller than the sum of its proper divisors (555844594732).

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

320203001300 is a wasteful number, since it uses less digits than its factorization.

320203001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858298 (or 858291 counting only the distinct ones).

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

Adding to 320203001300 its reverse (3100302023), we get a palindrome (323303303323).

The spelling of 320203001300 in words is "three hundred twenty billion, two hundred three million, one thousand, three hundred".