320020020023 has 4 divisors (see below), whose sum is σ = 349112749128. Its totient is φ = 290927290920.

The previous prime is 320020020013. The next prime is 320020020049.

320020020023 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320020020023 - 2⁴ = 320020020007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320020020013) 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, 14546364536 + ... + 14546364557.

It is an arithmetic number, because the mean of its divisors is an integer number (87278187282).

Almost surely, 2^320020020023 is an apocalyptic number.

320020020023 is a deficient number, since it is larger than the sum of its proper divisors (29092729105).

320020020023 is a wasteful number, since it uses less digits than its factorization.

320020020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29092729104.

The product of its (nonzero) digits is 144, while the sum is 14.

It can be divided in two parts, 3200200 and 20023, that added together give a palindrome (3220223).

The spelling of 320020020023 in words is "three hundred twenty billion, twenty million, twenty thousand, twenty-three".