20244154111 has 2 divisors, whose sum is σ = 20244154112. Its totient is φ = 20244154110.

The previous prime is 20244154103. The next prime is 20244154141. The reversal of 20244154111 is 11145144202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20244154111 - 2³ = 20244154103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244154141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122077055 + 10122077056.

It is an arithmetic number, because the mean of its divisors is an integer number (10122077056).

Almost surely, 2^20244154111 is an apocalyptic number.

20244154111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244154111 is an equidigital number, since it uses as much as digits as its factorization.

20244154111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 20244154111 its reverse (11145144202), we get a palindrome (31389298313).

Subtracting from 20244154111 its reverse (11145144202), we obtain a palindrome (9099009909).

The spelling of 20244154111 in words is "twenty billion, two hundred forty-four million, one hundred fifty-four thousand, one hundred eleven".