20023042431211 has 8 divisors (see below), whose sum is σ = 20362921151040. Its totient is φ = 19683180548808.

The previous prime is 20023042431199. The next prime is 20023042431233. The reversal of 20023042431211 is 11213424032002.

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 20023042431211 - 2⁵ = 20023042431179 is a prime.

It is a super-2 number, since 2×20023042431211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023042431281) 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, 1799161 + ... + 6578986.

It is an arithmetic number, because the mean of its divisors is an integer number (2545365143880).

Almost surely, 2^{20023042431211} is an apocalyptic number.

20023042431211 is a deficient number, since it is larger than the sum of its proper divisors (339878719829).

20023042431211 is an equidigital number, since it uses as much as digits as its factorization.

20023042431211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418713.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20023042431211 its reverse (11213424032002), we get a palindrome (31236466463213).

The spelling of 20023042431211 in words is "twenty trillion, twenty-three billion, forty-two million, four hundred thirty-one thousand, two hundred eleven".