20134347 has 4 divisors (see below), whose sum is σ = 26845800. Its totient is φ = 13422896.

The previous prime is 20134343. The next prime is 20134369. The reversal of 20134347 is 74343102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20134347 - 2² = 20134343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20134343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355722 + ... + 3355727.

It is an arithmetic number, because the mean of its divisors is an integer number (6711450).

Almost surely, 2^20134347 is an apocalyptic number.

20134347 is a deficient number, since it is larger than the sum of its proper divisors (6711453).

20134347 is an equidigital number, since it uses as much as digits as its factorization.

20134347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711452.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20134347 is about 4487.1312661878. The cubic root of 20134347 is about 272.0481955759.

Adding to 20134347 its reverse (74343102), we get a palindrome (94477449).

The spelling of 20134347 in words is "twenty million, one hundred thirty-four thousand, three hundred forty-seven".