20216300 has 36 divisors (see below), whose sum is σ = 47246976. Its totient is φ = 7464000.

The previous prime is 20216297. The next prime is 20216303. The reversal of 20216300 is 361202.

It is an interprime number because it is at equal distance from previous prime (20216297) and next prime (20216303).

It is not an unprimeable number, because it can be changed into a prime (20216303) 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, 6476 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1312416).

Almost surely, 2^20216300 is an apocalyptic number.

20216300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20216300 is an abundant number, since it is smaller than the sum of its proper divisors (27030676).

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

20216300 is a wasteful number, since it uses less digits than its factorization.

20216300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578 (or 15571 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20216300 is about 4496.2539963841. The cubic root of 20216300 is about 272.4168025901.

Adding to 20216300 its reverse (361202), we get a palindrome (20577502).

The spelling of 20216300 in words is "twenty million, two hundred sixteen thousand, three hundred".