20841598 has 4 divisors (see below), whose sum is σ = 31262400. Its totient is φ = 10420798.

The previous prime is 20841581. The next prime is 20841629. The reversal of 20841598 is 89514802.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5210398 + ... + 5210401.

It is an arithmetic number, because the mean of its divisors is an integer number (7815600).

Almost surely, 2^20841598 is an apocalyptic number.

20841598 is a deficient number, since it is larger than the sum of its proper divisors (10420802).

20841598 is a wasteful number, since it uses less digits than its factorization.

20841598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420801.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 20841598 is about 4565.2599049780. The cubic root of 20841598 is about 275.1969850349.

The spelling of 20841598 in words is "twenty million, eight hundred forty-one thousand, five hundred ninety-eight".