2002102210020 has 192 divisors, whose sum is σ = 6273349834752. Its totient is φ = 472864128000.

The previous prime is 2002102210001. The next prime is 2002102210033. The reversal of 2002102210020 is 200122012002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2002102209978 and 2002102210005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19621735 + ... + 19723505.

It is an arithmetic number, because the mean of its divisors is an integer number (32673697056).

Almost surely, 2^{2002102210020} is an apocalyptic number.

2002102210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002102210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3136674917376).

2002102210020 is an abundant number, since it is smaller than the sum of its proper divisors (4271247624732).

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

2002102210020 is a wasteful number, since it uses less digits than its factorization.

2002102210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102562 (or 102560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002102210020 its reverse (200122012002), we get a palindrome (2202224222022).

It can be divided in two parts, 2002102 and 210020, that added together give a palindrome (2212122).

The spelling of 2002102210020 in words is "two trillion, two billion, one hundred two million, two hundred ten thousand, twenty".