20465948 has 12 divisors (see below), whose sum is σ = 35867160. Its totient is φ = 10218192.

The previous prime is 20465941. The next prime is 20465953. The reversal of 20465948 is 84956402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20465941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 6401.

It is an arithmetic number, because the mean of its divisors is an integer number (2988930).

Almost surely, 2^20465948 is an apocalyptic number.

It is an amenable number.

20465948 is a deficient number, since it is larger than the sum of its proper divisors (15401212).

20465948 is a wasteful number, since it uses less digits than its factorization.

20465948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 20465948 is about 4523.9305918637. The cubic root of 20465948 is about 273.5335627191.

The spelling of 20465948 in words is "twenty million, four hundred sixty-five thousand, nine hundred forty-eight".