20633745373 has 8 divisors (see below), whose sum is σ = 21084907392. Its totient is φ = 20183089536.

The previous prime is 20633745371. The next prime is 20633745413. The reversal of 20633745373 is 37354733602.

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

It is a cyclic number.

It is not a de Polignac number, because 20633745373 - 2¹ = 20633745371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633745371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43540 + ... + 207757.

It is an arithmetic number, because the mean of its divisors is an integer number (2635613424).

Almost surely, 2^20633745373 is an apocalyptic number.

It is an amenable number.

20633745373 is a deficient number, since it is larger than the sum of its proper divisors (451162019).

20633745373 is a wasteful number, since it uses less digits than its factorization.

20633745373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253091.

The product of its (nonzero) digits is 952560, while the sum is 43.

The spelling of 20633745373 in words is "twenty billion, six hundred thirty-three million, seven hundred forty-five thousand, three hundred seventy-three".