20313141 has 8 divisors (see below), whose sum is σ = 27241440. Its totient is φ = 13463472.

The previous prime is 20313133. The next prime is 20313143. The reversal of 20313141 is 14131302.

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

It is not a de Polignac number, because 20313141 - 2³ = 20313133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19051 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (3405180).

Almost surely, 2^20313141 is an apocalyptic number.

It is an amenable number.

20313141 is a deficient number, since it is larger than the sum of its proper divisors (6928299).

20313141 is a wasteful number, since it uses less digits than its factorization.

20313141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39315.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20313141 is about 4507.0102063341. The cubic root of 20313141 is about 272.8510908185.

Adding to 20313141 its reverse (14131302), we get a palindrome (34444443).

The spelling of 20313141 in words is "twenty million, three hundred thirteen thousand, one hundred forty-one".