20021200300 has 18 divisors (see below), whose sum is σ = 43446004868. Its totient is φ = 8008480080.

The previous prime is 20021200267. The next prime is 20021200321. The reversal of 20021200300 is 300212002.

It is a super-2 number, since 2×20021200300² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100105902 + ... + 100106101.

Almost surely, 2^20021200300 is an apocalyptic number.

20021200300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021200300 is an abundant number, since it is smaller than the sum of its proper divisors (23424804568).

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

20021200300 is a wasteful number, since it uses less digits than its factorization.

20021200300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200212017 (or 200212010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20021200300 its reverse (300212002), we get a palindrome (20321412302).

The spelling of 20021200300 in words is "twenty billion, twenty-one million, two hundred thousand, three hundred".