20320633277 has 8 divisors (see below), whose sum is σ = 23277218496. Its totient is φ = 17377457472.

The previous prime is 20320633259. The next prime is 20320633303. The reversal of 20320633277 is 77233602302.

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 20320633277 - 2⁶ = 20320633213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320633577) 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, 3349103 + ... + 3355164.

It is an arithmetic number, because the mean of its divisors is an integer number (2909652312).

Almost surely, 2^20320633277 is an apocalyptic number.

It is an amenable number.

20320633277 is a deficient number, since it is larger than the sum of its proper divisors (2956585219).

20320633277 is an equidigital number, since it uses as much as digits as its factorization.

20320633277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704707.

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 20320633277 in words is "twenty billion, three hundred twenty million, six hundred thirty-three thousand, two hundred seventy-seven".