20641848 has 16 divisors (see below), whose sum is σ = 51604680. Its totient is φ = 6880608.

The previous prime is 20641837. The next prime is 20641853. The reversal of 20641848 is 84814602.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 430015 + ... + 430062.

Almost surely, 2^20641848 is an apocalyptic number.

It is an amenable number.

20641848 is an abundant number, since it is smaller than the sum of its proper divisors (30962832).

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

20641848 is a wasteful number, since it uses less digits than its factorization.

20641848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860086 (or 860082 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 20641848 is about 4543.3300562473. The cubic root of 20641848 is about 274.3149804462.

The spelling of 20641848 in words is "twenty million, six hundred forty-one thousand, eight hundred forty-eight".