20117098 has 8 divisors (see below), whose sum is σ = 30208320. Its totient is φ = 10047660.

The previous prime is 20117089. The next prime is 20117099. The reversal of 20117098 is 89071102.

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 (20117099) 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, 2898 + ... + 6973.

It is an arithmetic number, because the mean of its divisors is an integer number (3776040).

Almost surely, 2^20117098 is an apocalyptic number.

20117098 is a deficient number, since it is larger than the sum of its proper divisors (10091222).

20117098 is a wasteful number, since it uses less digits than its factorization.

20117098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 20117098 is about 4485.2088022744. The cubic root of 20117098 is about 271.9704859124.

The spelling of 20117098 in words is "twenty million, one hundred seventeen thousand, ninety-eight".