20632720367 has 8 divisors (see below), whose sum is σ = 24217556256. Its totient is φ = 17207210592.

The previous prime is 20632720291. The next prime is 20632720379. The reversal of 20632720367 is 76302723602.

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

It is a cyclic number.

It is not a de Polignac number, because 20632720367 - 2¹⁴ = 20632703983 is a prime.

It is a super-2 number, since 2×20632720367² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20632720367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632720967) 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, 39831248 + ... + 39831765.

It is an arithmetic number, because the mean of its divisors is an integer number (3027194532).

Almost surely, 2^20632720367 is an apocalyptic number.

20632720367 is a deficient number, since it is larger than the sum of its proper divisors (3584835889).

20632720367 is an equidigital number, since it uses as much as digits as its factorization.

20632720367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79663057.

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 20632720367 in words is "twenty billion, six hundred thirty-two million, seven hundred twenty thousand, three hundred sixty-seven".