20324323109978 has 8 divisors (see below), whose sum is σ = 32279807292372. Its totient is φ = 9564387345856.

The previous prime is 20324323109939. The next prime is 20324323109989. The reversal of 20324323109978 is 87990132342302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20032633463089 + 291689646889 = 4475783^2 + 540083^2 .

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

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, 298887104525 + ... + 298887104592.

Almost surely, 2^{20324323109978} is an apocalyptic number.

20324323109978 is a deficient number, since it is larger than the sum of its proper divisors (11955484182394).

20324323109978 is a wasteful number, since it uses less digits than its factorization.

20324323109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597774209136.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 20324323109978 in words is "twenty trillion, three hundred twenty-four billion, three hundred twenty-three million, one hundred nine thousand, nine hundred seventy-eight".