20341928 has 32 divisors (see below), whose sum is σ = 40593960. Its totient is φ = 9523200.

The previous prime is 20341903. The next prime is 20341931. The reversal of 20341928 is 82914302.

It can be written as a sum of positive squares in 4 ways, for example, as 20052484 + 289444 = 4478^2 + 538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20341928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50528 + ... + 50928.

Almost surely, 2^20341928 is an apocalyptic number.

It is an amenable number.

20341928 is a deficient number, since it is larger than the sum of its proper divisors (20252032).

20341928 is a wasteful number, since it uses less digits than its factorization.

20341928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20341928 is about 4510.2026562007. The cubic root of 20341928 is about 272.9799213274.

The spelling of 20341928 in words is "twenty million, three hundred forty-one thousand, nine hundred twenty-eight".