911948020 has 24 divisors (see below), whose sum is σ = 1923319944. Its totient is φ = 363211776.

The previous prime is 911947979. The next prime is 911948033. The reversal of 911948020 is 20849119.

It can be written as a sum of positive squares in 4 ways, for example, as 753424 + 911194596 = 868^2 + 30186^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93189 + ... + 102508.

It is an arithmetic number, because the mean of its divisors is an integer number (80138331).

Almost surely, 2^911948020 is an apocalyptic number.

It is an amenable number.

911948020 is an abundant number, since it is smaller than the sum of its proper divisors (1011371924).

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

911948020 is a wasteful number, since it uses less digits than its factorization.

911948020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195939 (or 195937 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 911948020 is about 30198.4771139208. The cubic root of 911948020 is about 969.7430927669.

The spelling of 911948020 in words is "nine hundred eleven million, nine hundred forty-eight thousand, twenty".