20146353 has 8 divisors (see below), whose sum is σ = 26883168. Its totient is φ = 13420224.

The previous prime is 20146349. The next prime is 20146363. The reversal of 20146353 is 35364102.

It is a happy number.

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

It is not a de Polignac number, because 20146353 - 2² = 20146349 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20146363) 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, 4425 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (3360396).

Almost surely, 2^20146353 is an apocalyptic number.

It is an amenable number.

20146353 is a deficient number, since it is larger than the sum of its proper divisors (6736815).

20146353 is a wasteful number, since it uses less digits than its factorization.

20146353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20146353 is about 4488.4688926181. The cubic root of 20146353 is about 272.1022584441.

The spelling of 20146353 in words is "twenty million, one hundred forty-six thousand, three hundred fifty-three".