20114515455 has 16 divisors (see below), whose sum is σ = 32710820064. Its totient is φ = 10551876480.

The previous prime is 20114515441. The next prime is 20114515459. The reversal of 20114515455 is 55451541102.

It is a happy number.

It is not a de Polignac number, because 20114515455 - 2⁴ = 20114515439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114515459) 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 15 ways as a sum of consecutive naturals, for example, 10990624 + ... + 10992453.

It is an arithmetic number, because the mean of its divisors is an integer number (2044426254).

Almost surely, 2^20114515455 is an apocalyptic number.

20114515455 is a deficient number, since it is larger than the sum of its proper divisors (12596304609).

20114515455 is a wasteful number, since it uses less digits than its factorization.

20114515455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21983146.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 20114515455 in words is "twenty billion, one hundred fourteen million, five hundred fifteen thousand, four hundred fifty-five".