20535426495541 has 8 divisors (see below), whose sum is σ = 20551810273280. Its totient is φ = 20519043232752.

The previous prime is 20535426495539. The next prime is 20535426495569. The reversal of 20535426495541 is 14559462453502.

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 20535426495541 - 2¹ = 20535426495539 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 (20535426493541) 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, 139725091 + ... + 139871983.

It is an arithmetic number, because the mean of its divisors is an integer number (2568976284160).

Almost surely, 2^{20535426495541} is an apocalyptic number.

It is an amenable number.

20535426495541 is a deficient number, since it is larger than the sum of its proper divisors (16383777739).

20535426495541 is a wasteful number, since it uses less digits than its factorization.

20535426495541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257475.

The product of its (nonzero) digits is 25920000, while the sum is 55.

The spelling of 20535426495541 in words is "twenty trillion, five hundred thirty-five billion, four hundred twenty-six million, four hundred ninety-five thousand, five hundred forty-one".