1002221303020 has 36 divisors (see below), whose sum is σ = 2448283471200. Its totient is φ = 343618732128.

The previous prime is 1002221303011. The next prime is 1002221303063. The reversal of 1002221303020 is 203031222001.

It is a super-2 number, since 2×1002221303020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002221302985 and 1002221303003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511336420 + ... + 511338379.

It is an arithmetic number, because the mean of its divisors is an integer number (68007874200).

Almost surely, 2^{1002221303020} is an apocalyptic number.

1002221303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002221303020 is an abundant number, since it is smaller than the sum of its proper divisors (1446062168180).

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

1002221303020 is a wasteful number, since it uses less digits than its factorization.

1002221303020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022674822 (or 1022674813 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1002221303020 its reverse (203031222001), we get a palindrome (1205252525021).

The spelling of 1002221303020 in words is "one trillion, two billion, two hundred twenty-one million, three hundred three thousand, twenty".