20088135 has 32 divisors (see below), whose sum is σ = 37817280. Its totient is φ = 10082304.

The previous prime is 20088127. The next prime is 20088139. The reversal of 20088135 is 53188002.

It is a happy number.

It is not a de Polignac number, because 20088135 - 2³ = 20088127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20088099 and 20088108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20088139) 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 31 ways as a sum of consecutive naturals, for example, 2082 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (1181790).

Almost surely, 2^20088135 is an apocalyptic number.

20088135 is a deficient number, since it is larger than the sum of its proper divisors (17729145).

20088135 is a wasteful number, since it uses less digits than its factorization.

20088135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784 (or 8778 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 20088135 is about 4481.9789156131. The cubic root of 20088135 is about 271.8399027226.

The spelling of 20088135 in words is "twenty million, eighty-eight thousand, one hundred thirty-five".