20345032402413 has 8 divisors (see below), whose sum is σ = 27324715051968. Its totient is φ = 13464352343904.

The previous prime is 20345032402403. The next prime is 20345032402483. The reversal of 20345032402413 is 31420423054302.

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

It is not a de Polignac number, because 20345032402413 - 2¹⁰ = 20345032401389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20345032402403) 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, 24750647281 + ... + 24750648102.

It is an arithmetic number, because the mean of its divisors is an integer number (3415589381496).

Almost surely, 2^{20345032402413} is an apocalyptic number.

It is an amenable number.

20345032402413 is a deficient number, since it is larger than the sum of its proper divisors (6979682649555).

20345032402413 is a wasteful number, since it uses less digits than its factorization.

20345032402413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49501295523.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20345032402413 its reverse (31420423054302), we get a palindrome (51765455456715).

The spelling of 20345032402413 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred two thousand, four hundred thirteen".