20632720366 has 8 divisors (see below), whose sum is σ = 30968685720. Its totient is φ = 10309825128.

The previous prime is 20632720291. The next prime is 20632720379. The reversal of 20632720366 is 66302723602.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3263581 + ... + 3269896.

It is an arithmetic number, because the mean of its divisors is an integer number (3871085715).

Almost surely, 2^20632720366 is an apocalyptic number.

20632720366 is a deficient number, since it is larger than the sum of its proper divisors (10335965354).

20632720366 is a wasteful number, since it uses less digits than its factorization.

20632720366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535058.

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 20632720366 in words is "twenty billion, six hundred thirty-two million, seven hundred twenty thousand, three hundred sixty-six".