20473300 has 18 divisors (see below), whose sum is σ = 44427278. Its totient is φ = 8189280.

The previous prime is 20473291. The next prime is 20473301. The reversal of 20473300 is 337402.

It can be written as a sum of positive squares in 3 ways, for example, as 6724 + 20466576 = 82^2 + 4524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473301) 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, 102267 + ... + 102466.

Almost surely, 2^20473300 is an apocalyptic number.

20473300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20473300 is an abundant number, since it is smaller than the sum of its proper divisors (23953978).

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

20473300 is a wasteful number, since it uses less digits than its factorization.

20473300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204747 (or 204740 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 20473300 is about 4524.7430866293. The cubic root of 20473300 is about 273.5663126963.

The spelling of 20473300 in words is "twenty million, four hundred seventy-three thousand, three hundred".