200221011220020 has 96 divisors (see below), whose sum is σ = 661375211298816. Its totient is φ = 44288518608000.

The previous prime is 200221011220007. The next prime is 200221011220049. The reversal of 200221011220020 is 20022110122002.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 7688965906 + ... + 7688991945.

It is an arithmetic number, because the mean of its divisors is an integer number (6889325117696).

Almost surely, 2^{200221011220020} is an apocalyptic number.

200221011220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200221011220020 is an abundant number, since it is smaller than the sum of its proper divisors (461154200078796).

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

200221011220020 is a wasteful number, since it uses less digits than its factorization.

200221011220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15377957901 (or 15377957899 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200221011220020 its reverse (20022110122002), we get a palindrome (220243121342022).

The spelling of 200221011220020 in words is "two hundred trillion, two hundred twenty-one billion, eleven million, two hundred twenty thousand, twenty".