20132286 has 16 divisors (see below), whose sum is σ = 42384000. Its totient is φ = 6357528.

The previous prime is 20132251. The next prime is 20132297. The reversal of 20132286 is 68223102.

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 7 ways as a sum of consecutive naturals, for example, 88186 + ... + 88413.

It is an arithmetic number, because the mean of its divisors is an integer number (2649000).

Almost surely, 2^20132286 is an apocalyptic number.

20132286 is an abundant number, since it is smaller than the sum of its proper divisors (22251714).

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

20132286 is a wasteful number, since it uses less digits than its factorization.

20132286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176623.

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

The square root of 20132286 is about 4486.9016035567. The cubic root of 20132286 is about 272.0389127575.

Adding to 20132286 its reverse (68223102), we get a palindrome (88355388).

The spelling of 20132286 in words is "twenty million, one hundred thirty-two thousand, two hundred eighty-six".