20117926 has 8 divisors (see below), whose sum is σ = 30459240. Its totient is φ = 9964848.

The previous prime is 20117917. The next prime is 20117947. The reversal of 20117926 is 62971102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20117894 and 20117903.

It is a congruent number.

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, 46791 + ... + 47218.

It is an arithmetic number, because the mean of its divisors is an integer number (3807405).

Almost surely, 2^20117926 is an apocalyptic number.

20117926 is a deficient number, since it is larger than the sum of its proper divisors (10341314).

20117926 is a wasteful number, since it uses less digits than its factorization.

20117926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94118.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 20117926 is about 4485.3011047197. The cubic root of 20117926 is about 271.9742172072.

The spelling of 20117926 in words is "twenty million, one hundred seventeen thousand, nine hundred twenty-six".