20073003243 has 8 divisors (see below), whose sum is σ = 26766024000. Its totient is φ = 13380992328.

The previous prime is 20073003241. The next prime is 20073003277. The reversal of 20073003243 is 34230037002.

It is a happy number.

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

It is not a de Polignac number, because 20073003243 - 2¹ = 20073003241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20073003241) 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 7 ways as a sum of consecutive naturals, for example, 204793 + ... + 286506.

It is an arithmetic number, because the mean of its divisors is an integer number (3345753000).

Almost surely, 2^20073003243 is an apocalyptic number.

20073003243 is a deficient number, since it is larger than the sum of its proper divisors (6693020757).

20073003243 is a wasteful number, since it uses less digits than its factorization.

20073003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504921.

The product of its (nonzero) digits is 3024, while the sum is 24.

The spelling of 20073003243 in words is "twenty billion, seventy-three million, three thousand, two hundred forty-three".