10220222012220 has 144 divisors (see below), whose sum is σ = 33945369101280. Its totient is φ = 2468418931200.

The previous prime is 10220222012171. The next prime is 10220222012279. The reversal of 10220222012220 is 2221022202201.

10220222012220 is a `hidden beast` number, since 1 + 0 + 220 + 2 + 220 + 1 + 2 + 220 = 666.

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 = 10220222012193 and 10220222012202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9061671 + ... + 10126910.

It is an arithmetic number, because the mean of its divisors is an integer number (235731729870).

Almost surely, 2^{10220222012220} is an apocalyptic number.

10220222012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220222012220 is an abundant number, since it is smaller than the sum of its proper divisors (23725147089060).

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

10220222012220 is a wasteful number, since it uses less digits than its factorization.

10220222012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19188876 (or 19188871 counting only the distinct ones).

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

Adding to 10220222012220 its reverse (2221022202201), we get a palindrome (12441244214421).

The spelling of 10220222012220 in words is "ten trillion, two hundred twenty billion, two hundred twenty-two million, twelve thousand, two hundred twenty".