2002101220220 has 24 divisors (see below), whose sum is σ = 4387213109664. Its totient is φ = 766021336256.

The previous prime is 2002101220211. The next prime is 2002101220253. The reversal of 2002101220220 is 220221012002.

It is a junction number, because it is equal to n+sod(n) for n = 2002101220195 and 2002101220204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2176196519 + ... + 2176197438.

It is an arithmetic number, because the mean of its divisors is an integer number (182800546236).

Almost surely, 2^{2002101220220} is an apocalyptic number.

2002101220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002101220220 is an abundant number, since it is smaller than the sum of its proper divisors (2385111889444).

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

2002101220220 is a wasteful number, since it uses less digits than its factorization.

2002101220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352393989 (or 4352393987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002101220220 its reverse (220221012002), we get a palindrome (2222322232222).

The spelling of 2002101220220 in words is "two trillion, two billion, one hundred one million, two hundred twenty thousand, two hundred twenty".