20048486 has 4 divisors (see below), whose sum is σ = 30072732. Its totient is φ = 10024242.

The previous prime is 20048473. The next prime is 20048489. The reversal of 20048486 is 68484002.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5012120 + ... + 5012123.

It is an arithmetic number, because the mean of its divisors is an integer number (7518183).

Almost surely, 2^20048486 is an apocalyptic number.

20048486 is a deficient number, since it is larger than the sum of its proper divisors (10024246).

20048486 is a wasteful number, since it uses less digits than its factorization.

20048486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024245.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 20048486 is about 4477.5535731022. The cubic root of 20048486 is about 271.6609367270.

The spelling of 20048486 in words is "twenty million, forty-eight thousand, four hundred eighty-six".