20048236 has 24 divisors (see below), whose sum is σ = 40007520. Its totient is φ = 8708352.

The previous prime is 20048233. The next prime is 20048243. The reversal of 20048236 is 63284002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20048236.

It is not an unprimeable number, because it can be changed into a prime (20048233) 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, 10456 + ... + 12223.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^20048236 is an apocalyptic number.

20048236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20048236 is a deficient number, since it is larger than the sum of its proper divisors (19959284).

20048236 is a wasteful number, since it uses less digits than its factorization.

20048236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22713 (or 22711 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20048236 is about 4477.5256559846. The cubic root of 20048236 is about 271.6598075392.

The spelling of 20048236 in words is "twenty million, forty-eight thousand, two hundred thirty-six".