20045300 has 36 divisors (see below), whose sum is σ = 47455296. Its totient is φ = 7288800.

The previous prime is 20045297. The next prime is 20045303. The reversal of 20045300 is 354002.

It is an interprime number because it is at equal distance from previous prime (20045297) and next prime (20045303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8012 + ... + 10211.

Almost surely, 2^20045300 is an apocalyptic number.

20045300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20045300 is an abundant number, since it is smaller than the sum of its proper divisors (27409996).

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

20045300 is a wasteful number, since it uses less digits than its factorization.

20045300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248 (or 18241 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20045300 is about 4477.1977843289. The cubic root of 20045300 is about 271.6465456554.

Adding to 20045300 its reverse (354002), we get a palindrome (20399302).

The spelling of 20045300 in words is "twenty million, forty-five thousand, three hundred".