20144682 has 24 divisors (see below), whose sum is σ = 43767360. Its totient is φ = 6696360.

The previous prime is 20144671. The next prime is 20144737. The reversal of 20144682 is 28644102.

It is a super-2 number, since 2×20144682² = 811616425762248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6207 + ... + 8877.

It is an arithmetic number, because the mean of its divisors is an integer number (1823640).

Almost surely, 2^20144682 is an apocalyptic number.

20144682 is an abundant number, since it is smaller than the sum of its proper divisors (23622678).

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

20144682 is a wasteful number, since it uses less digits than its factorization.

20144682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20144682 is about 4488.2827451042. The cubic root of 20144682 is about 272.0947352389.

Adding to 20144682 its reverse (28644102), we get a palindrome (48788784).

The spelling of 20144682 in words is "twenty million, one hundred forty-four thousand, six hundred eighty-two".