20343601 has 8 divisors (see below), whose sum is σ = 20934144. Its totient is φ = 19758480.

The previous prime is 20343593. The next prime is 20343607. The reversal of 20343601 is 10634302.

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

It is a cyclic number.

It is not a de Polignac number, because 20343601 - 2³ = 20343593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20343607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6975 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (2616768).

Almost surely, 2^20343601 is an apocalyptic number.

It is an amenable number.

20343601 is a deficient number, since it is larger than the sum of its proper divisors (590543).

20343601 is a wasteful number, since it uses less digits than its factorization.

20343601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20343601 is about 4510.3881207719. The cubic root of 20343601 is about 272.9874047690.

Adding to 20343601 its reverse (10634302), we get a palindrome (30977903).

The spelling of 20343601 in words is "twenty million, three hundred forty-three thousand, six hundred one".