1002440322020 has 48 divisors (see below), whose sum is σ = 2147010582528. Its totient is φ = 393013146240.

The previous prime is 1002440322007. The next prime is 1002440322041. The reversal of 1002440322020 is 202230442001.

It is a super-2 number, since 2×1002440322020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1002440321983 and 1002440322001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573317 + ... + 1527603.

It is an arithmetic number, because the mean of its divisors is an integer number (44729387136).

Almost surely, 2^{1002440322020} is an apocalyptic number.

1002440322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002440322020 is an abundant number, since it is smaller than the sum of its proper divisors (1144570260508).

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

1002440322020 is a wasteful number, since it uses less digits than its factorization.

1002440322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955340 (or 955338 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1002440322020 its reverse (202230442001), we get a palindrome (1204670764021).

The spelling of 1002440322020 in words is "one trillion, two billion, four hundred forty million, three hundred twenty-two thousand, twenty".