20948116 has 24 divisors (see below), whose sum is σ = 42126336. Its totient is φ = 8928480.

The previous prime is 20948113. The next prime is 20948117. The reversal of 20948116 is 61184902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20948113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3390 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (1755264).

Almost surely, 2^20948116 is an apocalyptic number.

It is an amenable number.

20948116 is an abundant number, since it is smaller than the sum of its proper divisors (21178220).

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

20948116 is a wasteful number, since it uses less digits than its factorization.

20948116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 20948116 is about 4576.9111855049. The cubic root of 20948116 is about 275.6650175253.

The spelling of 20948116 in words is "twenty million, nine hundred forty-eight thousand, one hundred sixteen".