20630082 has 32 divisors (see below), whose sum is σ = 45232704. Its totient is φ = 6220800.

The previous prime is 20630069. The next prime is 20630083. The reversal of 20630082 is 28003602.

It is not an unprimeable number, because it can be changed into a prime (20630083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15258 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (1413522).

Almost surely, 2^20630082 is an apocalyptic number.

20630082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20630082 is an abundant number, since it is smaller than the sum of its proper divisors (24602622).

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

20630082 is a wasteful number, since it uses less digits than its factorization.

20630082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20630082 is about 4542.0350064701. The cubic root of 20630082 is about 274.2628500441.

Adding to 20630082 its reverse (28003602), we get a palindrome (48633684).

The spelling of 20630082 in words is "twenty million, six hundred thirty thousand, eighty-two".