20321020130023 has 8 divisors (see below), whose sum is σ = 20378833459200. Its totient is φ = 20263213517208.

The previous prime is 20321020129999. The next prime is 20321020130029. The reversal of 20321020130023 is 32003102012302.

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 20321020130023 - 2²¹ = 20321018032871 is a prime.

It is a super-3 number, since 3×20321020130023³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321020130029) 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, 4412098 + ... + 7752976.

It is an arithmetic number, because the mean of its divisors is an integer number (2547354182400).

Almost surely, 2^{20321020130023} is an apocalyptic number.

20321020130023 is a deficient number, since it is larger than the sum of its proper divisors (57813329177).

20321020130023 is a wasteful number, since it uses less digits than its factorization.

20321020130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358181.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20321020130023 its reverse (32003102012302), we get a palindrome (52324122142325).

The spelling of 20321020130023 in words is "twenty trillion, three hundred twenty-one billion, twenty million, one hundred thirty thousand, twenty-three".