20114455 has 4 divisors (see below), whose sum is σ = 24137352. Its totient is φ = 16091560.

The previous prime is 20114447. The next prime is 20114459. The reversal of 20114455 is 55441102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20114455 - 2³ = 20114447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011441 + ... + 2011450.

It is an arithmetic number, because the mean of its divisors is an integer number (6034338).

Almost surely, 2^20114455 is an apocalyptic number.

20114455 is a deficient number, since it is larger than the sum of its proper divisors (4022897).

20114455 is an equidigital number, since it uses as much as digits as its factorization.

20114455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022896.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 20114455 is about 4484.9141574840. The cubic root of 20114455 is about 271.9585748260.

Adding to 20114455 its reverse (55441102), we get a palindrome (75555557).

The spelling of 20114455 in words is "twenty million, one hundred fourteen thousand, four hundred fifty-five".