20535250310441 has 4 divisors (see below), whose sum is σ = 20584260454800. Its totient is φ = 20486240166084.

The previous prime is 20535250310321. The next prime is 20535250310539. The reversal of 20535250310441 is 14401305253502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20535250310441 - 2¹⁸ = 20535250048297 is a prime.

It is a super-2 number, since 2×20535250310441² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20535250310041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24505071551 + ... + 24505072388.

It is an arithmetic number, because the mean of its divisors is an integer number (5146065113700).

Almost surely, 2^{20535250310441} is an apocalyptic number.

It is an amenable number.

20535250310441 is a deficient number, since it is larger than the sum of its proper divisors (49010144359).

20535250310441 is an equidigital number, since it uses as much as digits as its factorization.

20535250310441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010144358.

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

Adding to 20535250310441 its reverse (14401305253502), we get a palindrome (34936555563943).

The spelling of 20535250310441 in words is "twenty trillion, five hundred thirty-five billion, two hundred fifty million, three hundred ten thousand, four hundred forty-one".