20122113223 has 8 divisors (see below), whose sum is σ = 21321219600. Its totient is φ = 18924723840.

The previous prime is 20122113199. The next prime is 20122113227. The reversal of 20122113223 is 32231122102.

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 20122113223 - 2²¹ = 20120016071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122113223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122113227) 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, 405073 + ... + 452026.

It is an arithmetic number, because the mean of its divisors is an integer number (2665152450).

Almost surely, 2^20122113223 is an apocalyptic number.

20122113223 is a deficient number, since it is larger than the sum of its proper divisors (1199106377).

20122113223 is a wasteful number, since it uses less digits than its factorization.

20122113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858497.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20122113223 its reverse (32231122102), we get a palindrome (52353235325).

The spelling of 20122113223 in words is "twenty billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-three".