20030000 has 50 divisors (see below), whose sum is σ = 48518844. Its totient is φ = 8008000.

The previous prime is 20029993. The next prime is 20030011. The reversal of 20030000 is 3002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8999 + ... + 11001.

Almost surely, 2^20030000 is an apocalyptic number.

20030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24259422).

20030000 is an abundant number, since it is smaller than the sum of its proper divisors (28488844).

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

20030000 is an equidigital number, since it uses as much as digits as its factorization.

20030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

The square root of 20030000 is about 4475.4888001200. The cubic root of 20030000 is about 271.5774147364.

Adding to 20030000 its reverse (3002), we get a palindrome (20033002).

The spelling of 20030000 in words is "twenty million, thirty thousand".