20308614 has 8 divisors (see below), whose sum is σ = 40617240. Its totient is φ = 6769536.

The previous prime is 20308583. The next prime is 20308621. The reversal of 20308614 is 41680302.

It is a happy number.

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

20308614 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692379 + ... + 1692390.

It is an arithmetic number, because the mean of its divisors is an integer number (5077155).

Almost surely, 2^20308614 is an apocalyptic number.

20308614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20308614 is a wasteful number, since it uses less digits than its factorization.

20308614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384774.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20308614 is about 4506.5079607164. The cubic root of 20308614 is about 272.8308200546.

Adding to 20308614 its reverse (41680302), we get a palindrome (61988916).

The spelling of 20308614 in words is "twenty million, three hundred eight thousand, six hundred fourteen".