18820714 has 16 divisors (see below), whose sum is σ = 31222080. Its totient is φ = 8436960.

The previous prime is 18820699. The next prime is 18820729. The reversal of 18820714 is 41702881.

It is an interprime number because it is at equal distance from previous prime (18820699) and next prime (18820729).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254 + ... + 7465.

It is an arithmetic number, because the mean of its divisors is an integer number (1951380).

Almost surely, 2^18820714 is an apocalyptic number.

18820714 is a deficient number, since it is larger than the sum of its proper divisors (12401366).

18820714 is a wasteful number, since it uses less digits than its factorization.

18820714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 18820714 is about 4338.2846840658. The cubic root of 18820714 is about 265.9982003760.

It can be divided in two parts, 188 and 20714, that added together give a palindrome (20902).

The spelling of 18820714 in words is "eighteen million, eight hundred twenty thousand, seven hundred fourteen".