20393106 has 8 divisors (see below), whose sum is σ = 40786224. Its totient is φ = 6797700.

The previous prime is 20393101. The next prime is 20393123. The reversal of 20393106 is 60139302.

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

20393106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20393101) 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, 1699420 + ... + 1699431.

It is an arithmetic number, because the mean of its divisors is an integer number (5098278).

Almost surely, 2^20393106 is an apocalyptic number.

20393106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20393106 is a wasteful number, since it uses less digits than its factorization.

20393106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398856.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 20393106 is about 4515.8726731386. The cubic root of 20393106 is about 273.2086585221.

The spelling of 20393106 in words is "twenty million, three hundred ninety-three thousand, one hundred six".