20003141320 has 16 divisors (see below), whose sum is σ = 45007068060. Its totient is φ = 8001256512.

The previous prime is 20003141303. The next prime is 20003141329. The reversal of 20003141320 is 2314130002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18943117956 + 1060023364 = 137634^2 + 32558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20003141294 and 20003141303.

It is not an unprimeable number, because it can be changed into a prime (20003141329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250039227 + ... + 250039306.

Almost surely, 2^20003141320 is an apocalyptic number.

20003141320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003141320 is an abundant number, since it is smaller than the sum of its proper divisors (25003926740).

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

20003141320 is a wasteful number, since it uses less digits than its factorization.

20003141320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500078544 (or 500078540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20003141320 its reverse (2314130002), we get a palindrome (22317271322).

The spelling of 20003141320 in words is "twenty billion, three million, one hundred forty-one thousand, three hundred twenty".