1002021020202 has 16 divisors (see below), whose sum is σ = 2018459610720. Its totient is φ = 331604078352.

The previous prime is 1002021020183. The next prime is 1002021020213. The reversal of 1002021020202 is 2020201202001.

It is a super-2 number, since 2×1002021020202² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 600731193 + ... + 600732860.

It is an arithmetic number, because the mean of its divisors is an integer number (126153725670).

Almost surely, 2^{1002021020202} is an apocalyptic number.

1002021020202 is an abundant number, since it is smaller than the sum of its proper divisors (1016438590518).

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

1002021020202 is a wasteful number, since it uses less digits than its factorization.

1002021020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201464197.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1002021020202 its reverse (2020201202001), we get a palindrome (3022222222203).

The spelling of 1002021020202 in words is "one trillion, two billion, twenty-one million, twenty thousand, two hundred two".