20114555 has 4 divisors (see below), whose sum is σ = 24137472. Its totient is φ = 16091640.

The previous prime is 20114531. The next prime is 20114557. The reversal of 20114555 is 55541102.

It is a happy number.

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

It is not a de Polignac number, because 20114555 - 2⁶ = 20114491 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 20114555.

It is not an unprimeable number, because it can be changed into a prime (20114557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011451 + ... + 2011460.

It is an arithmetic number, because the mean of its divisors is an integer number (6034368).

Almost surely, 2^20114555 is an apocalyptic number.

20114555 is a deficient number, since it is larger than the sum of its proper divisors (4022917).

20114555 is an equidigital number, since it uses as much as digits as its factorization.

20114555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022916.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 20114555 is about 4484.9253059555. The cubic root of 20114555 is about 271.9590255104.

Adding to 20114555 its reverse (55541102), we get a palindrome (75655657).

The spelling of 20114555 in words is "twenty million, one hundred fourteen thousand, five hundred fifty-five".