20023401211 has 8 divisors (see below), whose sum is σ = 22308470784. Its totient is φ = 17815791720.

The previous prime is 20023401173. The next prime is 20023401253. The reversal of 20023401211 is 11210432002.

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 20023401211 - 2²³ = 20015012603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023401271) 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, 19364475 + ... + 19365508.

It is an arithmetic number, because the mean of its divisors is an integer number (2788558848).

Almost surely, 2^20023401211 is an apocalyptic number.

20023401211 is a deficient number, since it is larger than the sum of its proper divisors (2285069573).

20023401211 is a wasteful number, since it uses less digits than its factorization.

20023401211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38730041.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20023401211 its reverse (11210432002), we get a palindrome (31233833213).

The spelling of 20023401211 in words is "twenty billion, twenty-three million, four hundred one thousand, two hundred eleven".