20230000 has 150 divisors (see below), whose sum is σ = 59462216. Its totient is φ = 6528000.

The previous prime is 20229991. The next prime is 20230031. The reversal of 20230000 is 3202.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 1189992 + ... + 1190008.

Almost surely, 2^20230000 is an apocalyptic number.

20230000 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 20230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29731108).

20230000 is an abundant number, since it is smaller than the sum of its proper divisors (39232216).

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

20230000 is an equidigital number, since it uses as much as digits as its factorization.

20230000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 20230000 is about 4497.7772288098. Note that the first 3 decimals coincide. The cubic root of 20230000 is about 272.4783250162.

Adding to 20230000 its reverse (3202), we get a palindrome (20233202).

The spelling of 20230000 in words is "twenty million, two hundred thirty thousand".