20122233223 has 4 divisors (see below), whose sum is σ = 20150615080. Its totient is φ = 20093851368.

The previous prime is 20122233221. The next prime is 20122233247. The reversal of 20122233223 is 32233222102.

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 20122233223 - 2¹ = 20122233221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122233194 and 20122233203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122233221) 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, 14189865 + ... + 14191282.

It is an arithmetic number, because the mean of its divisors is an integer number (5037653770).

Almost surely, 2^20122233223 is an apocalyptic number.

20122233223 is a deficient number, since it is larger than the sum of its proper divisors (28381857).

20122233223 is an equidigital number, since it uses as much as digits as its factorization.

20122233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381856.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20122233223 its reverse (32233222102), we get a palindrome (52355455325).

The spelling of 20122233223 in words is "twenty billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty-three".