20108468 has 6 divisors (see below), whose sum is σ = 35189826. Its totient is φ = 10054232.

The previous prime is 20108461. The next prime is 20108483. The reversal of 20108468 is 86480102.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 3232804 = 4108^2 + 1798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20108468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20108461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2513555 + ... + 2513562.

It is an arithmetic number, because the mean of its divisors is an integer number (5864971).

Almost surely, 2^20108468 is an apocalyptic number.

It is an amenable number.

20108468 is a deficient number, since it is larger than the sum of its proper divisors (15081358).

20108468 is a wasteful number, since it uses less digits than its factorization.

20108468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027121 (or 5027119 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 20108468 is about 4484.2466479889. The cubic root of 20108468 is about 271.9315896295.

The spelling of 20108468 in words is "twenty million, one hundred eight thousand, four hundred sixty-eight".