20202075 has 36 divisors (see below), whose sum is σ = 37327720. Its totient is φ = 10712160.

The previous prime is 20202071. The next prime is 20202097. The reversal of 20202075 is 57020202.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 20202075 - 2² = 20202071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202071) 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 35 ways as a sum of consecutive naturals, for example, 116689 + ... + 116861.

Almost surely, 2^20202075 is an apocalyptic number.

20202075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20202075 is a deficient number, since it is larger than the sum of its proper divisors (17125645).

20202075 is an equidigital number, since it uses as much as digits as its factorization.

20202075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 20202075 is about 4494.6718456412. The cubic root of 20202075 is about 272.3528931330.

Adding to 20202075 its reverse (57020202), we get a palindrome (77222277).

It can be divided in two parts, 2020 and 2075, that added together give a triangular number (4095 = T₉₀).

The spelling of 20202075 in words is "twenty million, two hundred two thousand, seventy-five".