20132550506 has 8 divisors (see below), whose sum is σ = 30235611204. Its totient is φ = 10054013440.

The previous prime is 20132550481. The next prime is 20132550511. The reversal of 20132550506 is 60505523102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19972755625 + 159794881 = 141325^2 + 12641^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128855 + ... + 6132138.

Almost surely, 2^20132550506 is an apocalyptic number.

20132550506 is a deficient number, since it is larger than the sum of its proper divisors (10103060698).

20132550506 is a wasteful number, since it uses less digits than its factorization.

20132550506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12261816.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 20132550506 in words is "twenty billion, one hundred thirty-two million, five hundred fifty thousand, five hundred six".