20136698 has 8 divisors (see below), whose sum is σ = 30233280. Its totient is φ = 10058940.

The previous prime is 20136679. The next prime is 20136703. The reversal of 20136698 is 89663102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628 + ... + 6551.

It is an arithmetic number, because the mean of its divisors is an integer number (3779160).

Almost surely, 2^20136698 is an apocalyptic number.

20136698 is a deficient number, since it is larger than the sum of its proper divisors (10096582).

20136698 is a wasteful number, since it uses less digits than its factorization.

20136698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 20136698 is about 4487.3932299276. The cubic root of 20136698 is about 272.0587837915.

The spelling of 20136698 in words is "twenty million, one hundred thirty-six thousand, six hundred ninety-eight".