10002002001020 has 48 divisors (see below), whose sum is σ = 21302769374208. Its totient is φ = 3943945696320.

The previous prime is 10002002000953. The next prime is 10002002001041. The reversal of 10002002001020 is 2010020020001.

10002002001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10002002000989 and 10002002001007.

It is a congruent number.

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, 10723469 + ... + 11618811.

It is an arithmetic number, because the mean of its divisors is an integer number (443807695296).

Almost surely, 2^{10002002001020} is an apocalyptic number.

10002002001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002002001020 is an abundant number, since it is smaller than the sum of its proper divisors (11300767373188).

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

10002002001020 is a wasteful number, since it uses less digits than its factorization.

10002002001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903290 (or 903288 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10002002001020 its reverse (2010020020001), we get a palindrome (12012022021021).

The spelling of 10002002001020 in words is "ten trillion, two billion, two million, one thousand, twenty".