20115048 has 32 divisors (see below), whose sum is σ = 50420160. Its totient is φ = 6687360.

The previous prime is 20115031. The next prime is 20115049. The reversal of 20115048 is 84051102.

It is not an unprimeable number, because it can be changed into a prime (20115049) 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, 10828 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (1575630).

Almost surely, 2^20115048 is an apocalyptic number.

It is an amenable number.

20115048 is an abundant number, since it is smaller than the sum of its proper divisors (30305112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20115048 is a wasteful number, since it uses less digits than its factorization.

20115048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 20115048 is about 4484.9802675151. The cubic root of 20115048 is about 271.9612473626.

The spelling of 20115048 in words is "twenty million, one hundred fifteen thousand, forty-eight".