20234032040205 has 24 divisors (see below), whose sum is σ = 35087698234680. Its totient is φ = 10786752668160.

The previous prime is 20234032040179. The next prime is 20234032040207. The reversal of 20234032040205 is 50204023043202.

It is a happy number.

20234032040205 is a `hidden beast` number, since 2 + 0 + 234 + 0 + 3 + 20 + 402 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6449014539081 + 13785017501124 = 2539491^2 + 3712818^2 .

It is not a de Polignac number, because 20234032040205 - 2⁷ = 20234032040077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234032040207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98460520 + ... + 98665809.

It is an arithmetic number, because the mean of its divisors is an integer number (1461987426445).

Almost surely, 2^{20234032040205} is an apocalyptic number.

It is an amenable number.

20234032040205 is a deficient number, since it is larger than the sum of its proper divisors (14853666194475).

20234032040205 is a wasteful number, since it uses less digits than its factorization.

20234032040205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197128621 (or 197128618 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20234032040205 its reverse (50204023043202), we get a palindrome (70438055083407).

The spelling of 20234032040205 in words is "twenty trillion, two hundred thirty-four billion, thirty-two million, forty thousand, two hundred five".