20341134551 has 8 divisors (see below), whose sum is σ = 21420921600. Its totient is φ = 19262267640.

The previous prime is 20341134521. The next prime is 20341134599. The reversal of 20341134551 is 15543114302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20341134551 - 2¹⁸ = 20340872407 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 (20341134511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 184415 + ... + 273296.

It is an arithmetic number, because the mean of its divisors is an integer number (2677615200).

Almost surely, 2^20341134551 is an apocalyptic number.

20341134551 is a deficient number, since it is larger than the sum of its proper divisors (1079787049).

20341134551 is a wasteful number, since it uses less digits than its factorization.

20341134551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460069.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20341134551 its reverse (15543114302), we get a palindrome (35884248853).

The spelling of 20341134551 in words is "twenty billion, three hundred forty-one million, one hundred thirty-four thousand, five hundred fifty-one".