2170501662220 has 12 divisors (see below), whose sum is σ = 4558053490704. Its totient is φ = 868200664880.

The previous prime is 2170501662211. The next prime is 2170501662227. The reversal of 2170501662220 is 222661050712.

It is a super-2 number, since 2×2170501662220² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2170501662227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54262541536 + ... + 54262541575.

It is an arithmetic number, because the mean of its divisors is an integer number (379837790892).

Almost surely, 2^{2170501662220} is an apocalyptic number.

2170501662220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2170501662220 is an abundant number, since it is smaller than the sum of its proper divisors (2387551828484).

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

2170501662220 is a wasteful number, since it uses less digits than its factorization.

2170501662220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108525083120 (or 108525083118 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 2170501662220 in words is "two trillion, one hundred seventy billion, five hundred one million, six hundred sixty-two thousand, two hundred twenty".