20315094 has 16 divisors (see below), whose sum is σ = 40727232. Its totient is φ = 6755528.

The previous prime is 20315083. The next prime is 20315117. The reversal of 20315094 is 49051302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (2545452).

Almost surely, 2^20315094 is an apocalyptic number.

20315094 is an abundant number, since it is smaller than the sum of its proper divisors (20412138).

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

20315094 is a wasteful number, since it uses less digits than its factorization.

20315094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20315094 is about 4507.2268636047. The cubic root of 20315094 is about 272.8598349299.

Adding to 20315094 its reverse (49051302), we get a palindrome (69366396).

The spelling of 20315094 in words is "twenty million, three hundred fifteen thousand, ninety-four".