20224342111 has 16 divisors (see below), whose sum is σ = 21869183520. Its totient is φ = 18634316800.

The previous prime is 20224342109. The next prime is 20224342139. The reversal of 20224342111 is 11124342202.

It is a cyclic number.

It is not a de Polignac number, because 20224342111 - 2¹ = 20224342109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224342511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86640 + ... + 218986.

It is an arithmetic number, because the mean of its divisors is an integer number (1366823970).

Almost surely, 2^20224342111 is an apocalyptic number.

20224342111 is a deficient number, since it is larger than the sum of its proper divisors (1644841409).

20224342111 is a wasteful number, since it uses less digits than its factorization.

20224342111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132554.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20224342111 its reverse (11124342202), we get a palindrome (31348684313).

Subtracting from 20224342111 its reverse (11124342202), we obtain a palindrome (9099999909).

The spelling of 20224342111 in words is "twenty billion, two hundred twenty-four million, three hundred forty-two thousand, one hundred eleven".