20248486 has 8 divisors (see below), whose sum is σ = 30436560. Its totient is φ = 10102968.

The previous prime is 20248477. The next prime is 20248489. The reversal of 20248486 is 68484202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9421 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (3804570).

Almost surely, 2^20248486 is an apocalyptic number.

20248486 is a deficient number, since it is larger than the sum of its proper divisors (10188074).

20248486 is a wasteful number, since it uses less digits than its factorization.

20248486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 20248486 is about 4499.8317746334. The cubic root of 20248486 is about 272.5612958652.

The spelling of 20248486 in words is "twenty million, two hundred forty-eight thousand, four hundred eighty-six".