20430240401197 has 8 divisors (see below), whose sum is σ = 22291090256160. Its totient is φ = 18569983091760.

The previous prime is 20430240401149. The next prime is 20430240401209. The reversal of 20430240401197 is 79110404203402.

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 20430240401197 - 2⁴³ = 11634147378989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430240401117) 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, 148064283 + ... + 148202200.

It is an arithmetic number, because the mean of its divisors is an integer number (2786386282020).

Almost surely, 2^{20430240401197} is an apocalyptic number.

It is an amenable number.

20430240401197 is a deficient number, since it is larger than the sum of its proper divisors (1860849854963).

20430240401197 is a wasteful number, since it uses less digits than its factorization.

20430240401197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296272763.

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 20430240401197 its reverse (79110404203402), we get a palindrome (99540644604599).

The spelling of 20430240401197 in words is "twenty trillion, four hundred thirty billion, two hundred forty million, four hundred one thousand, one hundred ninety-seven".