20117602 has 8 divisors (see below), whose sum is σ = 30215376. Its totient is φ = 10045812.

The previous prime is 20117567. The next prime is 20117611. The reversal of 20117602 is 20671102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20117602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428 + ... + 7735.

It is an arithmetic number, because the mean of its divisors is an integer number (3776922).

Almost surely, 2^20117602 is an apocalyptic number.

20117602 is a deficient number, since it is larger than the sum of its proper divisors (10097774).

20117602 is a wasteful number, since it uses less digits than its factorization.

20117602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12992.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20117602 is about 4485.2649865978. The cubic root of 20117602 is about 271.9727571475.

Adding to 20117602 its reverse (20671102), we get a palindrome (40788704).

The spelling of 20117602 in words is "twenty million, one hundred seventeen thousand, six hundred two".