20302300 has 18 divisors (see below), whose sum is σ = 44056208. Its totient is φ = 8120880.

The previous prime is 20302297. The next prime is 20302309. The reversal of 20302300 is 320302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101412 + ... + 101611.

Almost surely, 2^20302300 is an apocalyptic number.

20302300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302300 is an abundant number, since it is smaller than the sum of its proper divisors (23753908).

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

20302300 is a wasteful number, since it uses less digits than its factorization.

20302300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203037 (or 203030 counting only the distinct ones).

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

The square root of 20302300 is about 4505.8073638361. The cubic root of 20302300 is about 272.8025425241.

Adding to 20302300 its reverse (320302), we get a palindrome (20622602).

It can be divided in two parts, 20302 and 300, that added together give a palindrome (20602).

The spelling of 20302300 in words is "twenty million, three hundred two thousand, three hundred".