20102223223223 has 4 divisors (see below), whose sum is σ = 20102588249040. Its totient is φ = 20101858197408.

The previous prime is 20102223223207. The next prime is 20102223223241. The reversal of 20102223223223 is 32232232220102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20102223223223 - 2⁴ = 20102223223207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102223223192 and 20102223223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102223223253) 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, 182430290 + ... + 182540447.

It is an arithmetic number, because the mean of its divisors is an integer number (5025647062260).

Almost surely, 2^{20102223223223} is an apocalyptic number.

20102223223223 is a deficient number, since it is larger than the sum of its proper divisors (365025817).

20102223223223 is an equidigital number, since it uses as much as digits as its factorization.

20102223223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365025816.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20102223223223 its reverse (32232232220102), we get a palindrome (52334455443325).

The spelling of 20102223223223 in words is "twenty trillion, one hundred two billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".