20135037 has 8 divisors (see below), whose sum is σ = 28911904. Its totient is φ = 12390768.

The previous prime is 20135009. The next prime is 20135039. The reversal of 20135037 is 73053102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20135037 - 2⁶ = 20134973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20135039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258103 + ... + 258180.

It is an arithmetic number, because the mean of its divisors is an integer number (3613988).

Almost surely, 2^20135037 is an apocalyptic number.

It is an amenable number.

20135037 is a deficient number, since it is larger than the sum of its proper divisors (8776867).

20135037 is a wasteful number, since it uses less digits than its factorization.

20135037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516299.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 20135037 is about 4487.2081520696. The cubic root of 20135037 is about 272.0513032193.

Adding to 20135037 its reverse (73053102), we get a palindrome (93188139).

The spelling of 20135037 in words is "twenty million, one hundred thirty-five thousand, thirty-seven".