20020130323 has 4 divisors (see below), whose sum is σ = 20020736088. Its totient is φ = 20019524560.

The previous prime is 20020130303. The next prime is 20020130371. The reversal of 20020130323 is 32303102002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32303102002 = 2 ⋅16151551001.

It is a cyclic number.

It is not a de Polignac number, because 20020130323 - 2²⁵ = 19986575891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020130297 and 20020130306.

It is not an unprimeable number, because it can be changed into a prime (20020130303) 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, 250261 + ... + 320422.

It is an arithmetic number, because the mean of its divisors is an integer number (5005184022).

Almost surely, 2^20020130323 is an apocalyptic number.

20020130323 is a deficient number, since it is larger than the sum of its proper divisors (605765).

20020130323 is an equidigital number, since it uses as much as digits as its factorization.

20020130323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605764.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20020130323 its reverse (32303102002), we get a palindrome (52323232325).

The spelling of 20020130323 in words is "twenty billion, twenty million, one hundred thirty thousand, three hundred twenty-three".