20446848 has 48 divisors (see below), whose sum is σ = 58841250. Its totient is φ = 6815232.

The previous prime is 20446847. The next prime is 20446849. The reversal of 20446848 is 84864402.

It is an interprime number because it is at equal distance from previous prime (20446847) and next prime (20446849).

It can be written as a sum of positive squares in only one way, i.e., 20142144 + 304704 = 4488^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20446843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7723 + ... + 10026.

Almost surely, 2^20446848 is an apocalyptic number.

It is an amenable number.

20446848 is an abundant number, since it is smaller than the sum of its proper divisors (38394402).

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

20446848 is a wasteful number, since it uses less digits than its factorization.

20446848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17769 (or 17754 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 20446848 is about 4521.8191029717. The cubic root of 20446848 is about 273.4484438156.

The spelling of 20446848 in words is "twenty million, four hundred forty-six thousand, eight hundred forty-eight".