20232221232001 has 4 divisors (see below), whose sum is σ = 20242830683952. Its totient is φ = 20221611780052.

The previous prime is 20232221231993. The next prime is 20232221232043. The reversal of 20232221232001 is 10023212223202.

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 20232221232001 - 2³ = 20232221231993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232221232101) 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, 5304723115 + ... + 5304726928.

It is an arithmetic number, because the mean of its divisors is an integer number (5060707670988).

Almost surely, 2^{20232221232001} is an apocalyptic number.

It is an amenable number.

20232221232001 is a deficient number, since it is larger than the sum of its proper divisors (10609451951).

20232221232001 is a wasteful number, since it uses less digits than its factorization.

20232221232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10609451950.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20232221232001 its reverse (10023212223202), we get a palindrome (30255433455203).

The spelling of 20232221232001 in words is "twenty trillion, two hundred thirty-two billion, two hundred twenty-one million, two hundred thirty-two thousand, one".