20013233111023 has 8 divisors (see below), whose sum is σ = 20703420017280. Its totient is φ = 19323051232800.

The previous prime is 20013233110999. The next prime is 20013233111029. The reversal of 20013233111023 is 32011133231002.

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 20013233111023 - 2⁹ = 20013233110511 is a prime.

It is a super-2 number, since 2×20013233111023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20013233110985 and 20013233111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013233111029) 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, 7995298 + ... + 10195648.

It is an arithmetic number, because the mean of its divisors is an integer number (2587927502160).

Almost surely, 2^{20013233111023} is an apocalyptic number.

20013233111023 is a deficient number, since it is larger than the sum of its proper divisors (690186906257).

20013233111023 is a wasteful number, since it uses less digits than its factorization.

20013233111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514017.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20013233111023 its reverse (32011133231002), we get a palindrome (52024366342025).

The spelling of 20013233111023 in words is "twenty trillion, thirteen billion, two hundred thirty-three million, one hundred eleven thousand, twenty-three".