20005353412541 has 8 divisors (see below), whose sum is σ = 22875288023424. Its totient is φ = 17138425546800.

The previous prime is 20005353412523. The next prime is 20005353412543. The reversal of 20005353412541 is 14521435350002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20005353412541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005353412543) 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, 751672025 + ... + 751698638.

It is an arithmetic number, because the mean of its divisors is an integer number (2859411002928).

Almost surely, 2^{20005353412541} is an apocalyptic number.

It is an amenable number.

20005353412541 is a deficient number, since it is larger than the sum of its proper divisors (2869934610883).

20005353412541 is a wasteful number, since it uses less digits than its factorization.

20005353412541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503372571.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 20005353412541 its reverse (14521435350002), we get a palindrome (34526788762543).

The spelling of 20005353412541 in words is "twenty trillion, five billion, three hundred fifty-three million, four hundred twelve thousand, five hundred forty-one".