20086236 has 36 divisors (see below), whose sum is σ = 51275952. Its totient is φ = 6629184.

The previous prime is 20086229. The next prime is 20086271. The reversal of 20086236 is 63268002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 1000 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (1424332).

Almost surely, 2^20086236 is an apocalyptic number.

It is an amenable number.

20086236 is an abundant number, since it is smaller than the sum of its proper divisors (31189716).

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

20086236 is a wasteful number, since it uses less digits than its factorization.

20086236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20086236 is about 4481.7670622200. The cubic root of 20086236 is about 271.8313364679.

It can be divided in two parts, 200 and 86236, that added together give a square (86436 = 294²).

The spelling of 20086236 in words is "twenty million, eighty-six thousand, two hundred thirty-six".