2002111210020 has 24 divisors (see below), whose sum is σ = 5605911388224. Its totient is φ = 533896322656.

The previous prime is 2002111210013. The next prime is 2002111210031. The reversal of 2002111210020 is 200121112002.

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 = 2002111209978 and 2002111210005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16684260024 + ... + 16684260143.

It is an arithmetic number, because the mean of its divisors is an integer number (233579641176).

Almost surely, 2^{2002111210020} is an apocalyptic number.

2002111210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002111210020 is an abundant number, since it is smaller than the sum of its proper divisors (3603800178204).

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

2002111210020 is a wasteful number, since it uses less digits than its factorization.

2002111210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368520179 (or 33368520177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2002111210020 its reverse (200121112002), we get a palindrome (2202232322022).

The spelling of 2002111210020 in words is "two trillion, two billion, one hundred eleven million, two hundred ten thousand, twenty".