1020221200202 has 16 divisors (see below), whose sum is σ = 1551063048552. Its totient is φ = 503236651200.

The previous prime is 1020221200181. The next prime is 1020221200211. The reversal of 1020221200202 is 2020021220201.

It can be written as a sum of positive squares in 4 ways, for example, as 1013185178041 + 7036022161 = 1006571^2 + 83881^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060653 + ... + 9172560.

Almost surely, 2^{1020221200202} is an apocalyptic number.

1020221200202 is a deficient number, since it is larger than the sum of its proper divisors (530841848350).

1020221200202 is a wasteful number, since it uses less digits than its factorization.

1020221200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18233593.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020221200202 its reverse (2020021220201), we get a palindrome (3040242420403).

The spelling of 1020221200202 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred thousand, two hundred two".