20073043 has 8 divisors (see below), whose sum is σ = 21155616. Its totient is φ = 19008000.

The previous prime is 20073041. The next prime is 20073071. The reversal of 20073043 is 34037002.

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 20073043 - 2¹ = 20073041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20073043.

It is not an unprimeable number, because it can be changed into a prime (20073041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (2644452).

Almost surely, 2^20073043 is an apocalyptic number.

20073043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20073043 is a deficient number, since it is larger than the sum of its proper divisors (1082573).

20073043 is a wasteful number, since it uses less digits than its factorization.

20073043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8765.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 20073043 is about 4480.2949679681. The cubic root of 20073043 is about 271.7718088676.

It can be divided in two parts, 2007 and 3043, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 20073043 in words is "twenty million, seventy-three thousand, forty-three".