20048485 has 8 divisors (see below), whose sum is σ = 24162840. Its totient is φ = 15969024.

The previous prime is 20048473. The next prime is 20048489. The reversal of 20048485 is 58484002.

It can be written as a sum of positive squares in 4 ways, for example, as 388129 + 19660356 = 623^2 + 4434^2 .

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 20048485 - 2⁵ = 20048453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048489) 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 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (3020355).

Almost surely, 2^20048485 is an apocalyptic number.

It is an amenable number.

20048485 is a deficient number, since it is larger than the sum of its proper divisors (4114355).

20048485 is a wasteful number, since it uses less digits than its factorization.

20048485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 20048485 is about 4477.5534614340. The cubic root of 20048485 is about 271.6609322103.

The spelling of 20048485 in words is "twenty million, forty-eight thousand, four hundred eighty-five".