20848359 has 16 divisors (see below), whose sum is σ = 31834880. Its totient is φ = 11888640.

The previous prime is 20848357. The next prime is 20848367. The reversal of 20848359 is 95384802.

It is a happy number.

It is not a de Polignac number, because 20848359 - 2¹ = 20848357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15504 + ... + 16794.

It is an arithmetic number, because the mean of its divisors is an integer number (1989680).

Almost surely, 2^20848359 is an apocalyptic number.

20848359 is a deficient number, since it is larger than the sum of its proper divisors (10986521).

20848359 is a wasteful number, since it uses less digits than its factorization.

20848359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 20848359 is about 4566.0003285151. Note that the first 3 decimals coincide. The cubic root of 20848359 is about 275.2267397217.

The spelling of 20848359 in words is "twenty million, eight hundred forty-eight thousand, three hundred fifty-nine".