27950446220 has 24 divisors (see below), whose sum is σ = 58700116608. Its totient is φ = 11179382400.

The previous prime is 27950446189. The next prime is 27950446231. The reversal of 27950446220 is 2264405972.

It is a super-2 number, since 2×27950446220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 297125 + ... + 379715.

It is an arithmetic number, because the mean of its divisors is an integer number (2445838192).

Almost surely, 2^27950446220 is an apocalyptic number.

27950446220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27950446220 is an abundant number, since it is smaller than the sum of its proper divisors (30749670388).

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

27950446220 is a wasteful number, since it uses less digits than its factorization.

27950446220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99521 (or 99519 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 27950446220 in words is "twenty-seven billion, nine hundred fifty million, four hundred forty-six thousand, two hundred twenty".