20986037377 has 8 divisors (see below), whose sum is σ = 22293233600. Its totient is φ = 19699107984.

The previous prime is 20986037323. The next prime is 20986037441. The reversal of 20986037377 is 77373068902.

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 20986037377 - 2⁷ = 20986037249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20986032377) 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, 5064573 + ... + 5068714.

It is an arithmetic number, because the mean of its divisors is an integer number (2786654200).

Almost surely, 2^20986037377 is an apocalyptic number.

It is an amenable number.

20986037377 is a deficient number, since it is larger than the sum of its proper divisors (1307196223).

20986037377 is a wasteful number, since it uses less digits than its factorization.

20986037377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133415.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 20986037377 in words is "twenty billion, nine hundred eighty-six million, thirty-seven thousand, three hundred seventy-seven".