23320020001 has 4 divisors (see below), whose sum is σ = 23369956272. Its totient is φ = 23270083732.

The previous prime is 23320019971. The next prime is 23320020013. The reversal of 23320020001 is 10002002332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23320020001 - 2¹³ = 23320011809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320020301) 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, 24967435 + ... + 24968368.

It is an arithmetic number, because the mean of its divisors is an integer number (5842489068).

Almost surely, 2^23320020001 is an apocalyptic number.

It is an amenable number.

23320020001 is a deficient number, since it is larger than the sum of its proper divisors (49936271).

23320020001 is an equidigital number, since it uses as much as digits as its factorization.

23320020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49936270.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23320020001 its reverse (10002002332), we get a palindrome (33322022333).

The spelling of 23320020001 in words is "twenty-three billion, three hundred twenty million, twenty thousand, one".