20430240401235 has 64 divisors (see below), whose sum is σ = 37390112861184. Its totient is φ = 9331551475200.

The previous prime is 20430240401209. The next prime is 20430240401257. The reversal of 20430240401235 is 53210404203402.

It is not a de Polignac number, because 20430240401235 - 2²² = 20430236206931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 960192417 + ... + 960213693.

It is an arithmetic number, because the mean of its divisors is an integer number (584220513456).

Almost surely, 2^{20430240401235} is an apocalyptic number.

20430240401235 is a deficient number, since it is larger than the sum of its proper divisors (16959872459949).

20430240401235 is a wasteful number, since it uses less digits than its factorization.

20430240401235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28684.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20430240401235 its reverse (53210404203402), we get a palindrome (73640644604637).

The spelling of 20430240401235 in words is "twenty trillion, four hundred thirty billion, two hundred forty million, four hundred one thousand, two hundred thirty-five".