20632306567 has 4 divisors (see below), whose sum is σ = 20637295560. Its totient is φ = 20627317576.

The previous prime is 20632306543. The next prime is 20632306571. The reversal of 20632306567 is 76560323602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20632306567 - 2¹⁵ = 20632273799 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 (20632306507) 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, 2488288 + ... + 2496565.

It is an arithmetic number, because the mean of its divisors is an integer number (5159323890).

Almost surely, 2^20632306567 is an apocalyptic number.

20632306567 is a deficient number, since it is larger than the sum of its proper divisors (4988993).

20632306567 is an equidigital number, since it uses as much as digits as its factorization.

20632306567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988992.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 20632306567 in words is "twenty billion, six hundred thirty-two million, three hundred six thousand, five hundred sixty-seven".