20073433 has 8 divisors (see below), whose sum is σ = 20349000. Its totient is φ = 19799808.

The previous prime is 20073419. The next prime is 20073437. The reversal of 20073433 is 33437002.

It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 17614809 = 1568^2 + 4197^2 .

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 20073433 - 2¹⁷ = 19942361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20073437) 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 7 ways as a sum of consecutive naturals, for example, 39183 + ... + 39691.

It is an arithmetic number, because the mean of its divisors is an integer number (2543625).

Almost surely, 2^20073433 is an apocalyptic number.

It is an amenable number.

20073433 is a deficient number, since it is larger than the sum of its proper divisors (275567).

20073433 is a wasteful number, since it uses less digits than its factorization.

20073433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 20073433 is about 4480.3384916767. The cubic root of 20073433 is about 271.7735689449.

The spelling of 20073433 in words is "twenty million, seventy-three thousand, four hundred thirty-three".