20848418 has 8 divisors (see below), whose sum is σ = 32035500. Its totient is φ = 10169920.

The previous prime is 20848393. The next prime is 20848423. The reversal of 20848418 is 81484802.

It can be written as a sum of positive squares in 2 ways, for example, as 15264649 + 5583769 = 3907^2 + 2363^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127043 + ... + 127206.

Almost surely, 2^20848418 is an apocalyptic number.

20848418 is a deficient number, since it is larger than the sum of its proper divisors (11187082).

20848418 is a wasteful number, since it uses less digits than its factorization.

20848418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254292.

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 20848418 is about 4566.0067893073. The cubic root of 20848418 is about 275.2269993482.

The spelling of 20848418 in words is "twenty million, eight hundred forty-eight thousand, four hundred eighteen".