20480894 has 32 divisors (see below), whose sum is σ = 37158912. Its totient is φ = 8280000.

The previous prime is 20480849. The next prime is 20480899. The reversal of 20480894 is 49808402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17219 + ... + 18369.

It is an arithmetic number, because the mean of its divisors is an integer number (1161216).

Almost surely, 2^20480894 is an apocalyptic number.

20480894 is a deficient number, since it is larger than the sum of its proper divisors (16678018).

20480894 is a wasteful number, since it uses less digits than its factorization.

20480894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 20480894 is about 4525.5821724945. The cubic root of 20480894 is about 273.6001324481.

The spelling of 20480894 in words is "twenty million, four hundred eighty thousand, eight hundred ninety-four".