20363111151 has 4 divisors (see below), whose sum is σ = 27150814872. Its totient is φ = 13575407432.

The previous prime is 20363111137. The next prime is 20363111161. The reversal of 20363111151 is 15111136302.

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 20363111151 - 2⁹ = 20363110639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393851856 + ... + 3393851861.

It is an arithmetic number, because the mean of its divisors is an integer number (6787703718).

Almost surely, 2^20363111151 is an apocalyptic number.

20363111151 is a deficient number, since it is larger than the sum of its proper divisors (6787703721).

20363111151 is an equidigital number, since it uses as much as digits as its factorization.

20363111151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787703720.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 20363111151 its reverse (15111136302), we get a palindrome (35474247453).

The spelling of 20363111151 in words is "twenty billion, three hundred sixty-three million, one hundred eleven thousand, one hundred fifty-one".