20632316 has 12 divisors (see below), whose sum is σ = 36615600. Its totient is φ = 10170720.

The previous prime is 20632301. The next prime is 20632327. The reversal of 20632316 is 61323602.

It is a junction number, because it is equal to n+sod(n) for n = 20632291 and 20632300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36041 + ... + 36608.

It is an arithmetic number, because the mean of its divisors is an integer number (3051300).

Almost surely, 2^20632316 is an apocalyptic number.

It is an amenable number.

20632316 is a deficient number, since it is larger than the sum of its proper divisors (15983284).

20632316 is a wasteful number, since it uses less digits than its factorization.

20632316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72724 (or 72722 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20632316 is about 4542.2809248218. The cubic root of 20632316 is about 274.2727495215.

Adding to 20632316 its reverse (61323602), we get a palindrome (81955918).

The spelling of 20632316 in words is "twenty million, six hundred thirty-two thousand, three hundred sixteen".