10202210222220 has 120 divisors (see below), whose sum is σ = 32005835470224. Its totient is φ = 2720493834624.

The previous prime is 10202210222159. The next prime is 10202210222221. The reversal of 10202210222220 is 2222201220201.

10202210222220 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 221 + 0 + 222 + 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 = 10202210222193 and 10202210222202.

It is not an unprimeable number, because it can be changed into a prime (10202210222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54278242 + ... + 54465878.

Almost surely, 2^{10202210222220} is an apocalyptic number.

10202210222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202210222220 is an abundant number, since it is smaller than the sum of its proper divisors (21803625248004).

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

10202210222220 is a wasteful number, since it uses less digits than its factorization.

10202210222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221221 (or 221210 counting only the distinct ones).

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

Adding to 10202210222220 its reverse (2222201220201), we get a palindrome (12424411442421).

The spelling of 10202210222220 in words is "ten trillion, two hundred two billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty".