2002022220020 has 12 divisors (see below), whose sum is σ = 4204246662084. Its totient is φ = 800808888000.

The previous prime is 2002022220007. The next prime is 2002022220053. The reversal of 2002022220020 is 200222202002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 274364344804 + 1727657875216 = 523798^2 + 1314404^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2002022219977 and 2002022220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50050555481 + ... + 50050555520.

It is an arithmetic number, because the mean of its divisors is an integer number (350353888507).

Almost surely, 2^{2002022220020} is an apocalyptic number.

2002022220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002022220020 is an abundant number, since it is smaller than the sum of its proper divisors (2202224442064).

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

2002022220020 is a wasteful number, since it uses less digits than its factorization.

2002022220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100101111010 (or 100101111008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2002022220020 its reverse (200222202002), we get a palindrome (2202244422022).

The spelling of 2002022220020 in words is "two trillion, two billion, twenty-two million, two hundred twenty thousand, twenty".