20379863782 has 8 divisors (see below), whose sum is σ = 31898917296. Its totient is φ = 9746891352.

The previous prime is 20379863711. The next prime is 20379863797. The reversal of 20379863782 is 28736897302.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221520213 + ... + 221520304.

It is an arithmetic number, because the mean of its divisors is an integer number (3987364662).

Almost surely, 2^20379863782 is an apocalyptic number.

20379863782 is a deficient number, since it is larger than the sum of its proper divisors (11519053514).

20379863782 is a wasteful number, since it uses less digits than its factorization.

20379863782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443040542.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 20379863782 in words is "twenty billion, three hundred seventy-nine million, eight hundred sixty-three thousand, seven hundred eighty-two".