20134104646 has 8 divisors (see below), whose sum is σ = 30202536960. Its totient is φ = 10066592328.

The previous prime is 20134104587. The next prime is 20134104647. The reversal of 20134104646 is 64640143102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134104647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172401 + ... + 264556.

It is an arithmetic number, because the mean of its divisors is an integer number (3775317120).

Almost surely, 2^20134104646 is an apocalyptic number.

20134104646 is a deficient number, since it is larger than the sum of its proper divisors (10068432314).

20134104646 is a wasteful number, since it uses less digits than its factorization.

20134104646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459998.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 20134104646 its reverse (64640143102), we get a palindrome (84774247748).

The spelling of 20134104646 in words is "twenty billion, one hundred thirty-four million, one hundred four thousand, six hundred forty-six".