10200002002020 has 144 divisors (see below), whose sum is σ = 30985729407360. Its totient is φ = 2715982617600.

The previous prime is 10200002002019. The next prime is 10200002002031. The reversal of 10200002002020 is 2020020000201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10200002001993 and 10200002002011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 991345036 + ... + 991355324.

It is an arithmetic number, because the mean of its divisors is an integer number (215178676440).

Almost surely, 2^{10200002002020} is an apocalyptic number.

10200002002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200002002020 is an abundant number, since it is smaller than the sum of its proper divisors (20785727405340).

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

10200002002020 is a wasteful number, since it uses less digits than its factorization.

10200002002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906 (or 17901 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 10200002002020 its reverse (2020020000201), we get a palindrome (12220022002221).

The spelling of 10200002002020 in words is "ten trillion, two hundred billion, two million, two thousand, twenty".