20248630 has 8 divisors (see below), whose sum is σ = 36447552. Its totient is φ = 8099448.

The previous prime is 20248607. The next prime is 20248637. The reversal of 20248630 is 3684202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20248595 and 20248604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248637) 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 3 ways as a sum of consecutive naturals, for example, 1012422 + ... + 1012441.

It is an arithmetic number, because the mean of its divisors is an integer number (4555944).

Almost surely, 2^20248630 is an apocalyptic number.

20248630 is a deficient number, since it is larger than the sum of its proper divisors (16198922).

20248630 is a wasteful number, since it uses less digits than its factorization.

20248630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024870.

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

The square root of 20248630 is about 4499.8477752031. The cubic root of 20248630 is about 272.5619419832.

The spelling of 20248630 in words is "twenty million, two hundred forty-eight thousand, six hundred thirty".