20117002 has 8 divisors (see below), whose sum is σ = 30203712. Its totient is φ = 10049100.

The previous prime is 20116997. The next prime is 20117003. The reversal of 20117002 is 20071102.

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

It is not an unprimeable number, because it can be changed into a prime (20117003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (3775464).

Almost surely, 2^20117002 is an apocalyptic number.

20117002 is a deficient number, since it is larger than the sum of its proper divisors (10086710).

20117002 is a wasteful number, since it uses less digits than its factorization.

20117002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 20117002 is about 4485.1981004188. The cubic root of 20117002 is about 271.9700532919.

Adding to 20117002 its reverse (20071102), we get a palindrome (40188104).

The spelling of 20117002 in words is "twenty million, one hundred seventeen thousand, two".