10022020221220 has 96 divisors (see below), whose sum is σ = 24901663852800. Its totient is φ = 3315046715904.

The previous prime is 10022020221217. The next prime is 10022020221221. The reversal of 10022020221220 is 2212202022001.

It is a junction number, because it is equal to n+sod(n) for n = 10022020221194 and 10022020221203.

It is not an unprimeable number, because it can be changed into a prime (10022020221221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4246986 + ... + 6170974.

It is an arithmetic number, because the mean of its divisors is an integer number (259392331800).

Almost surely, 2^{10022020221220} is an apocalyptic number.

10022020221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10022020221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12450831926400).

10022020221220 is an abundant number, since it is smaller than the sum of its proper divisors (14879643631580).

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

10022020221220 is a wasteful number, since it uses less digits than its factorization.

10022020221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925317 (or 1925315 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10022020221220 its reverse (2212202022001), we get a palindrome (12234222243221).

The spelling of 10022020221220 in words is "ten trillion, twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred twenty".