20373043 has 4 divisors (see below), whose sum is σ = 20806560. Its totient is φ = 19939528.

The previous prime is 20373029. The next prime is 20373049. The reversal of 20373043 is 34037302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20373043 - 2⁵ = 20373011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20373049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216688 + ... + 216781.

It is an arithmetic number, because the mean of its divisors is an integer number (5201640).

Almost surely, 2^20373043 is an apocalyptic number.

20373043 is a deficient number, since it is larger than the sum of its proper divisors (433517).

20373043 is an equidigital number, since it uses as much as digits as its factorization.

20373043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433516.

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

The square root of 20373043 is about 4513.6507397006. The cubic root of 20373043 is about 273.1190337268.

The spelling of 20373043 in words is "twenty million, three hundred seventy-three thousand, forty-three".