20623010 has 16 divisors (see below), whose sum is σ = 37570176. Its totient is φ = 8149488.

The previous prime is 20623003. The next prime is 20623027. The reversal of 20623010 is 1032602.

It is a Curzon number.

It is an unprimeable number.

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, 11594 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (2348136).

Almost surely, 2^20623010 is an apocalyptic number.

20623010 is a deficient number, since it is larger than the sum of its proper divisors (16947166).

20623010 is a wasteful number, since it uses less digits than its factorization.

20623010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20623010 is about 4541.2564340720. The cubic root of 20623010 is about 274.2315073258.

Adding to 20623010 its reverse (1032602), we get a palindrome (21655612).

The spelling of 20623010 in words is "twenty million, six hundred twenty-three thousand, ten".