215050120 has 16 divisors (see below), whose sum is σ = 483862860. Its totient is φ = 86020032.

The previous prime is 215050117. The next prime is 215050139. The reversal of 215050120 is 21050512.

It can be written as a sum of positive squares in 2 ways, for example, as 203747076 + 11303044 = 14274^2 + 3362^2 .

It is a super-2 number, since 2×215050120² = 92493108224028800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215050094 and 215050103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2688087 + ... + 2688166.

Almost surely, 2^215050120 is an apocalyptic number.

215050120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215050120 is an abundant number, since it is smaller than the sum of its proper divisors (268812740).

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

215050120 is a wasteful number, since it uses less digits than its factorization.

215050120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376264 (or 5376260 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 215050120 is about 14664.5872768380. The cubic root of 215050120 is about 599.1191890677.

The spelling of 215050120 in words is "two hundred fifteen million, fifty thousand, one hundred twenty".