10202202212220 has 72 divisors (see below), whose sum is σ = 30982960322496. Its totient is φ = 2717397781632.

The previous prime is 10202202212219. The next prime is 10202202212227. The reversal of 10202202212220 is 2221220220201.

10202202212220 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 220 + 221 + 2 + 220 = 666.

10202202212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10202202212193 and 10202202212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202202212227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33069732 + ... + 33376811.

It is an arithmetic number, because the mean of its divisors is an integer number (430318893368).

Almost surely, 2^{10202202212220} is an apocalyptic number.

10202202212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202202212220 is an abundant number, since it is smaller than the sum of its proper divisors (20780758110276).

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

10202202212220 is a wasteful number, since it uses less digits than its factorization.

10202202212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66447411 (or 66447406 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10202202212220 its reverse (2221220220201), we get a palindrome (12423422432421).

The spelling of 10202202212220 in words is "ten trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, two hundred twenty".