20235075 has 24 divisors (see below), whose sum is σ = 38235648. Its totient is φ = 9250080.

The previous prime is 20235043. The next prime is 20235077. The reversal of 20235075 is 57053202.

It is not a de Polignac number, because 20235075 - 2⁵ = 20235043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20235077) 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 23 ways as a sum of consecutive naturals, for example, 18747 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (1593152).

Almost surely, 2^20235075 is an apocalyptic number.

20235075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20235075 is a deficient number, since it is larger than the sum of its proper divisors (18000573).

20235075 is a wasteful number, since it uses less digits than its factorization.

20235075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38563 (or 38558 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 20235075 is about 4498.3413609907. The cubic root of 20235075 is about 272.5011082075.

Adding to 20235075 its reverse (57053202), we get a palindrome (77288277).

The spelling of 20235075 in words is "twenty million, two hundred thirty-five thousand, seventy-five".