20723296994 has 8 divisors (see below), whose sum is σ = 31088350800. Its totient is φ = 10360513396.

The previous prime is 20723296987. The next prime is 20723297027. The reversal of 20723296994 is 49969232702.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544544 + ... + 581355.

It is an arithmetic number, because the mean of its divisors is an integer number (3886043850).

Almost surely, 2^20723296994 is an apocalyptic number.

20723296994 is a deficient number, since it is larger than the sum of its proper divisors (10365053806).

20723296994 is a wasteful number, since it uses less digits than its factorization.

20723296994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135104.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 20723296994 in words is "twenty billion, seven hundred twenty-three million, two hundred ninety-six thousand, nine hundred ninety-four".