20825941966 has 8 divisors (see below), whose sum is σ = 31241840760. Its totient is φ = 10411995048.

The previous prime is 20825941937. The next prime is 20825941967. The reversal of 20825941966 is 66914952802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20825941967) by changing a digit.

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, 460996 + ... + 504151.

It is an arithmetic number, because the mean of its divisors is an integer number (3905230095).

Almost surely, 2^20825941966 is an apocalyptic number.

20825941966 is a deficient number, since it is larger than the sum of its proper divisors (10415898794).

20825941966 is a wasteful number, since it uses less digits than its factorization.

20825941966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975938.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 20825941966 in words is "twenty billion, eight hundred twenty-five million, nine hundred forty-one thousand, nine hundred sixty-six".