20248536 has 64 divisors (see below), whose sum is σ = 63118080. Its totient is φ = 5258880.

The previous prime is 20248531. The next prime is 20248537. The reversal of 20248536 is 63584202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631 + ... + 7326.

It is an arithmetic number, because the mean of its divisors is an integer number (986220).

Almost surely, 2^20248536 is an apocalyptic number.

It is an amenable number.

20248536 is an abundant number, since it is smaller than the sum of its proper divisors (42869544).

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

20248536 is a wasteful number, since it uses less digits than its factorization.

20248536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984 (or 10980 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20248536 is about 4499.8373303932. The cubic root of 20248536 is about 272.5615202121.

The spelling of 20248536 in words is "twenty million, two hundred forty-eight thousand, five hundred thirty-six".