20110030223 has 2 divisors, whose sum is σ = 20110030224. Its totient is φ = 20110030222.

The previous prime is 20110030219. The next prime is 20110030261. The reversal of 20110030223 is 32203001102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110030223 - 2² = 20110030219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110030198 and 20110030207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20119030223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055015111 + 10055015112.

It is an arithmetic number, because the mean of its divisors is an integer number (10055015112).

Almost surely, 2^20110030223 is an apocalyptic number.

20110030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110030223 is an equidigital number, since it uses as much as digits as its factorization.

20110030223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20110030223 its reverse (32203001102), we get a palindrome (52313031325).

The spelling of 20110030223 in words is "twenty billion, one hundred ten million, thirty thousand, two hundred twenty-three".