10210221200020 has 24 divisors (see below), whose sum is σ = 22702727139624. Its totient is φ = 3843847981056.

The previous prime is 10210221199943. The next prime is 10210221200083. The reversal of 10210221200020 is 2000212201201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1041122285316 + 9169098914704 = 1020354^2 + 3028052^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15015030837 + ... + 15015031516.

It is an arithmetic number, because the mean of its divisors is an integer number (945946964151).

Almost surely, 2^{10210221200020} is an apocalyptic number.

10210221200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210221200020 is an abundant number, since it is smaller than the sum of its proper divisors (12492505939604).

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

10210221200020 is a wasteful number, since it uses less digits than its factorization.

10210221200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30030062379 (or 30030062377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10210221200020 its reverse (2000212201201), we get a palindrome (12210433401221).

The spelling of 10210221200020 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, two hundred thousand, twenty".