20002201210220 has 24 divisors (see below), whose sum is σ = 42005446551600. Its totient is φ = 8000723529792.

The previous prime is 20002201210171. The next prime is 20002201210237. The reversal of 20002201210220 is 2201210220002.

It is a junction number, because it is equal to n+sod(n) for n = 20002201210195 and 20002201210204.

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, 8761910 + ... + 10806269.

It is an arithmetic number, because the mean of its divisors is an integer number (1750226939650).

Almost surely, 2^{20002201210220} is an apocalyptic number.

20002201210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002201210220 is an abundant number, since it is smaller than the sum of its proper divisors (22003245341380).

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

20002201210220 is a wasteful number, since it uses less digits than its factorization.

20002201210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19619297 (or 19619295 counting only the distinct ones).

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

Adding to 20002201210220 its reverse (2201210220002), we get a palindrome (22203411430222).

The spelling of 20002201210220 in words is "twenty trillion, two billion, two hundred one million, two hundred ten thousand, two hundred twenty".