20134334455 has 32 divisors (see below), whose sum is σ = 26545631040. Its totient is φ = 14592399360.

The previous prime is 20134334443. The next prime is 20134334461. The reversal of 20134334455 is 55443343102.

It is a happy number.

It is not a de Polignac number, because 20134334455 - 2⁹ = 20134333943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20134334455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803577 + ... + 828253.

It is an arithmetic number, because the mean of its divisors is an integer number (829550970).

Almost surely, 2^20134334455 is an apocalyptic number.

20134334455 is a deficient number, since it is larger than the sum of its proper divisors (6411296585).

20134334455 is a wasteful number, since it uses less digits than its factorization.

20134334455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25059.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 20134334455 its reverse (55443343102), we get a palindrome (75577677557).

The spelling of 20134334455 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, four hundred fifty-five".