20848378 has 16 divisors (see below), whose sum is σ = 32234400. Its totient is φ = 10107216.

The previous prime is 20848367. The next prime is 20848379. The reversal of 20848378 is 87384802.

It is a self number, because there is not a number n which added to its sum of digits gives 20848378.

It is not an unprimeable number, because it can be changed into a prime (20848379) 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, 12001 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (2014650).

Almost surely, 2^20848378 is an apocalyptic number.

20848378 is a deficient number, since it is larger than the sum of its proper divisors (11386022).

20848378 is a wasteful number, since it uses less digits than its factorization.

20848378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 20848378 is about 4566.0024091102. The cubic root of 20848378 is about 275.2268233303.

The spelling of 20848378 in words is "twenty million, eight hundred forty-eight thousand, three hundred seventy-eight".