20030043 has 8 divisors (see below), whose sum is σ = 29134656. Its totient is φ = 12139400.

The previous prime is 20030027. The next prime is 20030053. The reversal of 20030043 is 34003002.

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 20030043 - 2⁴ = 20030027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20030053) 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, 303453 + ... + 303518.

It is an arithmetic number, because the mean of its divisors is an integer number (3641832).

Almost surely, 2^20030043 is an apocalyptic number.

20030043 is a deficient number, since it is larger than the sum of its proper divisors (9104613).

20030043 is a wasteful number, since it uses less digits than its factorization.

20030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606985.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20030043 is about 4475.4936040620. The cubic root of 20030043 is about 271.5776090752.

Adding to 20030043 its reverse (34003002), we get a palindrome (54033045).

The spelling of 20030043 in words is "twenty million, thirty thousand, forty-three".