20369848 has 8 divisors (see below), whose sum is σ = 38193480. Its totient is φ = 10184920.

The previous prime is 20369819. The next prime is 20369851. The reversal of 20369848 is 84896302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20369848.

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, 1273108 + ... + 1273123.

It is an arithmetic number, because the mean of its divisors is an integer number (4774185).

Almost surely, 2^20369848 is an apocalyptic number.

It is an amenable number.

20369848 is a deficient number, since it is larger than the sum of its proper divisors (17823632).

20369848 is a wasteful number, since it uses less digits than its factorization.

20369848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546237 (or 2546233 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 20369848 is about 4513.2967994582. The cubic root of 20369848 is about 273.1047556940.

The spelling of 20369848 in words is "twenty million, three hundred sixty-nine thousand, eight hundred forty-eight".