20023320131013 has 8 divisors (see below), whose sum is σ = 27858532356288. Its totient is φ = 12768493996544.

The previous prime is 20023320130993. The next prime is 20023320131041. The reversal of 20023320131013 is 31013102332002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20023320131013 - 2⁶ = 20023320130949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023320138013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145096522620 + ... + 145096522757.

It is an arithmetic number, because the mean of its divisors is an integer number (3482316544536).

Almost surely, 2^{20023320131013} is an apocalyptic number.

20023320131013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20023320131013 is a deficient number, since it is larger than the sum of its proper divisors (7835212225275).

20023320131013 is a wasteful number, since it uses less digits than its factorization.

20023320131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290193045403.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20023320131013 its reverse (31013102332002), we get a palindrome (51036422463015).

The spelling of 20023320131013 in words is "twenty trillion, twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, thirteen".