20372003073 has 12 divisors (see below), whose sum is σ = 29503873360. Its totient is φ = 13545498456.

The previous prime is 20372002979. The next prime is 20372003087. The reversal of 20372003073 is 37030027302.

It is a happy number.

It is not a de Polignac number, because 20372003073 - 2²⁶ = 20304894209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20372003573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2982811 + ... + 2989632.

Almost surely, 2^20372003073 is an apocalyptic number.

It is an amenable number.

20372003073 is a deficient number, since it is larger than the sum of its proper divisors (9131870287).

20372003073 is a wasteful number, since it uses less digits than its factorization.

20372003073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972828 (or 5972825 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The spelling of 20372003073 in words is "twenty billion, three hundred seventy-two million, three thousand, seventy-three".