20313134 has 8 divisors (see below), whose sum is σ = 30489888. Its totient is φ = 10149840.

The previous prime is 20313133. The next prime is 20313143. The reversal of 20313134 is 43131302.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313133) 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, 2354 + ... + 6794.

It is an arithmetic number, because the mean of its divisors is an integer number (3811236).

Almost surely, 2^20313134 is an apocalyptic number.

20313134 is a deficient number, since it is larger than the sum of its proper divisors (10176754).

20313134 is a wasteful number, since it uses less digits than its factorization.

20313134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20313134 is about 4507.0094297660. The cubic root of 20313134 is about 272.8510594766.

Adding to 20313134 its reverse (43131302), we get a palindrome (63444436).

The spelling of 20313134 in words is "twenty million, three hundred thirteen thousand, one hundred thirty-four".