221020030200 has 96 divisors (see below), whose sum is σ = 687709666800. Its totient is φ = 58719528960.

The previous prime is 221020030181. The next prime is 221020030241. The reversal of 221020030200 is 2030020122.

221020030200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523297 + ... + 846096.

Almost surely, 2^221020030200 is an apocalyptic number.

221020030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221020030200 is an abundant number, since it is smaller than the sum of its proper divisors (466689636600).

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

221020030200 is a wasteful number, since it uses less digits than its factorization.

221020030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369681 (or 1369672 counting only the distinct ones).

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

Adding to 221020030200 its reverse (2030020122), we get a palindrome (223050050322).

The spelling of 221020030200 in words is "two hundred twenty-one billion, twenty million, thirty thousand, two hundred".