20020323203130 has 32 divisors (see below), whose sum is σ = 49220697048768. Its totient is φ = 5208539369600.

The previous prime is 20020323203071. The next prime is 20020323203131. The reversal of 20020323203130 is 3130232302002.

It is a junction number, because it is equal to n+sod(n) for n = 20020323203097 and 20020323203106.

It is not an unprimeable number, because it can be changed into a prime (20020323203131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8138341536 + ... + 8138343995.

It is an arithmetic number, because the mean of its divisors is an integer number (1538146782774).

Almost surely, 2^{20020323203130} is an apocalyptic number.

20020323203130 is an abundant number, since it is smaller than the sum of its proper divisors (29200373845638).

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

20020323203130 is a wasteful number, since it uses less digits than its factorization.

20020323203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16276685582.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20020323203130 its reverse (3130232302002), we get a palindrome (23150555505132).

The spelling of 20020323203130 in words is "twenty trillion, twenty billion, three hundred twenty-three million, two hundred three thousand, one hundred thirty".