20235135 has 16 divisors (see below), whose sum is σ = 32988384. Its totient is φ = 10588032.

The previous prime is 20235121. The next prime is 20235143. The reversal of 20235135 is 53153202.

It is not a de Polignac number, because 20235135 - 2⁹ = 20234623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11932 + ... + 13521.

It is an arithmetic number, because the mean of its divisors is an integer number (2061774).

Almost surely, 2^20235135 is an apocalyptic number.

20235135 is a deficient number, since it is larger than the sum of its proper divisors (12753249).

20235135 is a wasteful number, since it uses less digits than its factorization.

20235135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25514.

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

The square root of 20235135 is about 4498.3480301106. The cubic root of 20235135 is about 272.5013775426.

Adding to 20235135 its reverse (53153202), we get a palindrome (73388337).

The spelling of 20235135 in words is "twenty million, two hundred thirty-five thousand, one hundred thirty-five".