20532009071 has 8 divisors (see below), whose sum is σ = 23762181120. Its totient is φ = 17376094008.

The previous prime is 20532009053. The next prime is 20532009073. The reversal of 20532009071 is 17090023502.

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

It is not a de Polignac number, because 20532009071 - 2¹⁴ = 20531992687 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 (20532009073) 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, 18563651 + ... + 18564756.

It is an arithmetic number, because the mean of its divisors is an integer number (2970272640).

Almost surely, 2^20532009071 is an apocalyptic number.

20532009071 is a deficient number, since it is larger than the sum of its proper divisors (3230172049).

20532009071 is an equidigital number, since it uses as much as digits as its factorization.

20532009071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37128493.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 20532009071 in words is "twenty billion, five hundred thirty-two million, nine thousand, seventy-one".