20235315 has 16 divisors (see below), whose sum is σ = 32544000. Its totient is φ = 10736352.

The previous prime is 20235269. The next prime is 20235329. The reversal of 20235315 is 51353202.

It is not a de Polignac number, because 20235315 - 2⁶ = 20235251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20235291 and 20235300.

It is an unprimeable number.

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, 405 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (2034000).

Almost surely, 2^20235315 is an apocalyptic number.

20235315 is a deficient number, since it is larger than the sum of its proper divisors (12308685).

20235315 is a wasteful number, since it uses less digits than its factorization.

20235315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 20235315 is about 4498.3680374109. The cubic root of 20235315 is about 272.5021855449.

Adding to 20235315 its reverse (51353202), we get a palindrome (71588517).

The spelling of 20235315 in words is "twenty million, two hundred thirty-five thousand, three hundred fifteen".