20334555511 has 8 divisors (see below), whose sum is σ = 20458583424. Its totient is φ = 20210788920.

The previous prime is 20334555481. The next prime is 20334555539. The reversal of 20334555511 is 11555543302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334555511 is a prime.

It is a super-2 number, since 2×20334555511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334555011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91920 + ... + 221626.

It is an arithmetic number, because the mean of its divisors is an integer number (2557322928).

Almost surely, 2^20334555511 is an apocalyptic number.

20334555511 is a deficient number, since it is larger than the sum of its proper divisors (124027913).

20334555511 is a wasteful number, since it uses less digits than its factorization.

20334555511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130661.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 20334555511 in words is "twenty billion, three hundred thirty-four million, five hundred fifty-five thousand, five hundred eleven".