20134334511 has 20 divisors (see below), whose sum is σ = 30890118072. Its totient is φ = 13060106928.

The previous prime is 20134334503. The next prime is 20134334551. The reversal of 20134334511 is 11543343102.

It is a happy number.

20134334511 is a `hidden beast` number, since 201 + 3 + 4 + 3 + 3 + 451 + 1 = 666.

It is not a de Polignac number, because 20134334511 - 2³ = 20134334503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134334501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3356085 + ... + 3362078.

Almost surely, 2^20134334511 is an apocalyptic number.

20134334511 is a deficient number, since it is larger than the sum of its proper divisors (10755783561).

20134334511 is an equidigital number, since it uses as much as digits as its factorization.

20134334511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718212 (or 6718203 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20134334511 its reverse (11543343102), we get a palindrome (31677677613).

The spelling of 20134334511 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-four thousand, five hundred eleven".