20023030 has 8 divisors (see below), whose sum is σ = 36041472. Its totient is φ = 8009208.

The previous prime is 20023027. The next prime is 20023037. The reversal of 20023030 is 3032002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2002303 = 20023030 / (2 + 0 + 0 + 2 + 3 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20022998 and 20023016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023037) 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 3 ways as a sum of consecutive naturals, for example, 1001142 + ... + 1001161.

It is an arithmetic number, because the mean of its divisors is an integer number (4505184).

Almost surely, 2^20023030 is an apocalyptic number.

20023030 is a deficient number, since it is larger than the sum of its proper divisors (16018442).

20023030 is a wasteful number, since it uses less digits than its factorization.

20023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002310.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20023030 is about 4474.7100464723. The cubic root of 20023030 is about 271.5459100903.

Adding to 20023030 its reverse (3032002), we get a palindrome (23055032).

The spelling of 20023030 in words is "twenty million, twenty-three thousand, thirty".