20035137 has 8 divisors (see below), whose sum is σ = 26852704. Its totient is φ = 13287168.

The previous prime is 20035123. The next prime is 20035151. The reversal of 20035137 is 73153002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20035123) and next prime (20035151).

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

It is not a de Polignac number, because 20035137 - 2¹² = 20031041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20035117) 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 7 ways as a sum of consecutive naturals, for example, 16723 + ... + 17880.

It is an arithmetic number, because the mean of its divisors is an integer number (3356588).

Almost surely, 2^20035137 is an apocalyptic number.

It is an amenable number.

20035137 is a deficient number, since it is larger than the sum of its proper divisors (6817567).

20035137 is a wasteful number, since it uses less digits than its factorization.

20035137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34799.

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

The square root of 20035137 is about 4476.0626671216. The cubic root of 20035137 is about 271.6006294798.

Adding to 20035137 its reverse (73153002), we get a palindrome (93188139).

It can be divided in two parts, 2003 and 5137, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 20035137 in words is "twenty million, thirty-five thousand, one hundred thirty-seven".