20532073071 has 4 divisors (see below), whose sum is σ = 27376097432. Its totient is φ = 13688048712.

The previous prime is 20532073069. The next prime is 20532073099. The reversal of 20532073071 is 17037023502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20532073071 - 2¹ = 20532073069 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 (20532073571) 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, 3422012176 + ... + 3422012181.

It is an arithmetic number, because the mean of its divisors is an integer number (6844024358).

Almost surely, 2^20532073071 is an apocalyptic number.

20532073071 is a deficient number, since it is larger than the sum of its proper divisors (6844024361).

20532073071 is an equidigital number, since it uses as much as digits as its factorization.

20532073071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844024360.

The product of its (nonzero) digits is 8820, while the sum is 30.

Adding to 20532073071 its reverse (17037023502), we get a palindrome (37569096573).

The spelling of 20532073071 in words is "twenty billion, five hundred thirty-two million, seventy-three thousand, seventy-one".