20233402400111 has 16 divisors (see below), whose sum is σ = 21560556663936. Its totient is φ = 18921470870016.

The previous prime is 20233402400087. The next prime is 20233402400171. The reversal of 20233402400111 is 11100420433202.

It is a cyclic number.

It is not a de Polignac number, because 20233402400111 - 2²² = 20233398205807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233402400171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208872890 + ... + 208969736.

It is an arithmetic number, because the mean of its divisors is an integer number (1347534791496).

Almost surely, 2^{20233402400111} is an apocalyptic number.

20233402400111 is a deficient number, since it is larger than the sum of its proper divisors (1327154263825).

20233402400111 is a wasteful number, since it uses less digits than its factorization.

20233402400111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175298.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20233402400111 its reverse (11100420433202), we get a palindrome (31333822833313).

The spelling of 20233402400111 in words is "twenty trillion, two hundred thirty-three billion, four hundred two million, four hundred thousand, one hundred eleven".