300021020220 has 24 divisors (see below), whose sum is σ = 840058856784. Its totient is φ = 80005605376.

The previous prime is 300021020213. The next prime is 300021020227. The reversal of 300021020220 is 22020120003.

It is an interprime number because it is at equal distance from previous prime (300021020213) and next prime (300021020227).

It is a super-2 number, since 2×300021020220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 300021020196 and 300021020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300021020227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500175109 + ... + 2500175228.

It is an arithmetic number, because the mean of its divisors is an integer number (35002452366).

Almost surely, 2^300021020220 is an apocalyptic number.

300021020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300021020220 is an abundant number, since it is smaller than the sum of its proper divisors (540037836564).

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

300021020220 is a wasteful number, since it uses less digits than its factorization.

300021020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000350349 (or 5000350347 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 300021020220 its reverse (22020120003), we get a palindrome (322041140223).

The spelling of 300021020220 in words is "three hundred billion, twenty-one million, twenty thousand, two hundred twenty".