2150636220 has 72 divisors (see below), whose sum is σ = 6866954640. Its totient is φ = 543317760.

The previous prime is 2150636207. The next prime is 2150636233. The reversal of 2150636220 is 226360512.

2150636220 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 636 + 2 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (2150636207) and next prime (2150636233).

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 23 ways as a sum of consecutive naturals, for example, 311001 + ... + 317840.

It is an arithmetic number, because the mean of its divisors is an integer number (95374370).

Almost surely, 2^2150636220 is an apocalyptic number.

2150636220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150636220 is an abundant number, since it is smaller than the sum of its proper divisors (4716318420).

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

2150636220 is a wasteful number, since it uses less digits than its factorization.

2150636220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628875 (or 628870 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2150636220 is about 46374.9525067142. The cubic root of 2150636220 is about 1290.7901775042.

Adding to 2150636220 its reverse (226360512), we get a palindrome (2376996732).

The spelling of 2150636220 in words is "two billion, one hundred fifty million, six hundred thirty-six thousand, two hundred twenty".