2002022011220 has 96 divisors (see below), whose sum is σ = 5549990503680. Its totient is φ = 587300567040.

The previous prime is 2002022011207. The next prime is 2002022011261. The reversal of 2002022011220 is 221102202002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2002022011195 and 2002022011204.

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 31 ways as a sum of consecutive naturals, for example, 38209535 + ... + 38261894.

It is an arithmetic number, because the mean of its divisors is an integer number (57812401080).

Almost surely, 2^{2002022011220} is an apocalyptic number.

2002022011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002022011220 is an abundant number, since it is smaller than the sum of its proper divisors (3547968492460).

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

2002022011220 is a wasteful number, since it uses less digits than its factorization.

2002022011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76471473 (or 76471471 counting only the distinct ones).

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

Adding to 2002022011220 its reverse (221102202002), we get a palindrome (2223124213222).

The spelling of 2002022011220 in words is "two trillion, two billion, twenty-two million, eleven thousand, two hundred twenty".