2215200120 has 128 divisors (see below), whose sum is σ = 7994764800. Its totient is φ = 479678976.

The previous prime is 2215200073. The next prime is 2215200151. The reversal of 2215200120 is 210025122.

It is a super-2 number, since 2×2215200120² = 9814223143296028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2215200120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53439 + ... + 85358.

It is an arithmetic number, because the mean of its divisors is an integer number (62459100).

Almost surely, 2^2215200120 is an apocalyptic number.

2215200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215200120 is an abundant number, since it is smaller than the sum of its proper divisors (5779564680).

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

2215200120 is a wasteful number, since it uses less digits than its factorization.

2215200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138837 (or 138833 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2215200120 is about 47065.9125057615. The cubic root of 2215200120 is about 1303.5798999909.

Adding to 2215200120 its reverse (210025122), we get a palindrome (2425225242).

The spelling of 2215200120 in words is "two billion, two hundred fifteen million, two hundred thousand, one hundred twenty".