20316348 has 36 divisors (see below), whose sum is σ = 55306888. Its totient is φ = 6251040.

The previous prime is 20316347. The next prime is 20316389. The reversal of 20316348 is 84361302.

It is a happy number.

20316348 is a `hidden beast` number, since 2 + 0 + 316 + 348 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20316341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21238 + ... + 22173.

Almost surely, 2^20316348 is an apocalyptic number.

It is an amenable number.

20316348 is an abundant number, since it is smaller than the sum of its proper divisors (34990540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20316348 is a wasteful number, since it uses less digits than its factorization.

20316348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43434 (or 43429 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20316348 is about 4507.3659713851. The cubic root of 20316348 is about 272.8654491331.

The spelling of 20316348 in words is "twenty million, three hundred sixteen thousand, three hundred forty-eight".