20480359 has 8 divisors (see below), whose sum is σ = 22009968. Its totient is φ = 18986880.

The previous prime is 20480353. The next prime is 20480363. The reversal of 20480359 is 95308402.

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

It is a cyclic number.

It is not a de Polignac number, because 20480359 - 2⁹ = 20479847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20480359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7852 + ... + 10129.

It is an arithmetic number, because the mean of its divisors is an integer number (2751246).

Almost surely, 2^20480359 is an apocalyptic number.

20480359 is a deficient number, since it is larger than the sum of its proper divisors (1529609).

20480359 is a wasteful number, since it uses less digits than its factorization.

20480359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20480359 is about 4525.5230636911. The cubic root of 20480359 is about 273.5977501083.

The spelling of 20480359 in words is "twenty million, four hundred eighty thousand, three hundred fifty-nine".