20108967 has 8 divisors (see below), whose sum is σ = 26839296. Its totient is φ = 13392312.

The previous prime is 20108951. The next prime is 20108981. The reversal of 20108967 is 76980102.

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

It is not a de Polignac number, because 20108967 - 2⁴ = 20108951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20108917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (3354912).

Almost surely, 2^20108967 is an apocalyptic number.

20108967 is a deficient number, since it is larger than the sum of its proper divisors (6730329).

20108967 is a wasteful number, since it uses less digits than its factorization.

20108967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 20108967 is about 4484.3022868669. The cubic root of 20108967 is about 271.9338389761.

The spelling of 20108967 in words is "twenty million, one hundred eight thousand, nine hundred sixty-seven".