20482231 has 8 divisors (see below), whose sum is σ = 25536384. Its totient is φ = 15960120.

The previous prime is 20482223. The next prime is 20482237. The reversal of 20482231 is 13228402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20482231 - 2³ = 20482223 is a prime.

It is a super-2 number, since 2×20482231² = 839043573474722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132925 + ... + 133078.

It is an arithmetic number, because the mean of its divisors is an integer number (3192048).

Almost surely, 2^20482231 is an apocalyptic number.

20482231 is a deficient number, since it is larger than the sum of its proper divisors (5054153).

20482231 is a wasteful number, since it uses less digits than its factorization.

20482231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266021.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20482231 is about 4525.7298858858. The cubic root of 20482231 is about 273.6060858897.

The spelling of 20482231 in words is "twenty million, four hundred eighty-two thousand, two hundred thirty-one".