1002020322100 has 72 divisors (see below), whose sum is σ = 2570700464640. Its totient is φ = 331703272320.

The previous prime is 1002020322097. The next prime is 1002020322101. The reversal of 1002020322100 is 12230202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020322101) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 24660004 + ... + 24700603.

It is an arithmetic number, because the mean of its divisors is an integer number (35704173120).

Almost surely, 2^{1002020322100} is an apocalyptic number.

1002020322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002020322100 is an abundant number, since it is smaller than the sum of its proper divisors (1568680142540).

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

1002020322100 is a wasteful number, since it uses less digits than its factorization.

1002020322100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49360657 (or 49360650 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1002020322100 its reverse (12230202001), we get a palindrome (1014250524101).

The spelling of 1002020322100 in words is "one trillion, two billion, twenty million, three hundred twenty-two thousand, one hundred".