20043030 has 32 divisors (see below), whose sum is σ = 54975744. Its totient is φ = 4581216.

The previous prime is 20043007. The next prime is 20043053. The reversal of 20043030 is 3034002.

It is an interprime number because it is at equal distance from previous prime (20043007) and next prime (20043053).

It is a junction number, because it is equal to n+sod(n) for n = 20042997 and 20043015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47512 + ... + 47931.

It is an arithmetic number, because the mean of its divisors is an integer number (1717992).

Almost surely, 2^20043030 is an apocalyptic number.

20043030 is an abundant number, since it is smaller than the sum of its proper divisors (34932714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20043030 is a wasteful number, since it uses less digits than its factorization.

20043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95460.

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

The square root of 20043030 is about 4476.9442703701. The cubic root of 20043030 is about 271.6362911994.

Adding to 20043030 its reverse (3034002), we get a palindrome (23077032).

Subtracting from 20043030 its reverse (3034002), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 20043030 in words is "twenty million, forty-three thousand, thirty".