20320130003 has 4 divisors (see below), whose sum is σ = 20325358920. Its totient is φ = 20314901088.

The previous prime is 20320129993. The next prime is 20320130023. The reversal of 20320130003 is 30003102302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30003102302 = 2 ⋅15001551151.

It is a cyclic number.

It is not a de Polignac number, because 20320130003 - 2¹⁶ = 20320064467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20320130003.

It is not an unprimeable number, because it can be changed into a prime (20320130023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608625 + ... + 2616402.

It is an arithmetic number, because the mean of its divisors is an integer number (5081339730).

Almost surely, 2^20320130003 is an apocalyptic number.

20320130003 is a deficient number, since it is larger than the sum of its proper divisors (5228917).

20320130003 is an equidigital number, since it uses as much as digits as its factorization.

20320130003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228916.

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

Adding to 20320130003 its reverse (30003102302), we get a palindrome (50323232305).

The spelling of 20320130003 in words is "twenty billion, three hundred twenty million, one hundred thirty thousand, three".