20002201020220 has 24 divisors (see below), whose sum is σ = 42011438014224. Its totient is φ = 7999582146816.

The previous prime is 20002201020181. The next prime is 20002201020253. The reversal of 20002201020220 is 2202010220002.

It is a self number, because there is not a number n which added to its sum of digits gives 20002201020220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81014989 + ... + 81261508.

It is an arithmetic number, because the mean of its divisors is an integer number (1750476583926).

Almost surely, 2^{20002201020220} is an apocalyptic number.

20002201020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002201020220 is an abundant number, since it is smaller than the sum of its proper divisors (22009236994004).

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

20002201020220 is a wasteful number, since it uses less digits than its factorization.

20002201020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162282669 (or 162282667 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20002201020220 its reverse (2202010220002), we get a palindrome (22204211240222).

The spelling of 20002201020220 in words is "twenty trillion, two billion, two hundred one million, twenty thousand, two hundred twenty".