20468682 has 24 divisors (see below), whose sum is σ = 47760804. Its totient is φ = 6297984.

The previous prime is 20468671. The next prime is 20468729. The reversal of 20468682 is 28686402.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 29241 = 4521^2 + 171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43503 + ... + 43970.

Almost surely, 2^20468682 is an apocalyptic number.

20468682 is an abundant number, since it is smaller than the sum of its proper divisors (27292122).

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

20468682 is a wasteful number, since it uses less digits than its factorization.

20468682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87494 (or 87491 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 20468682 is about 4524.2327526333. The cubic root of 20468682 is about 273.5457424214.

It can be divided in two parts, 204 and 68682, that added together give a palindrome (68886).

The spelling of 20468682 in words is "twenty million, four hundred sixty-eight thousand, six hundred eighty-two".