20848042 has 8 divisors (see below), whose sum is σ = 32350500. Its totient is φ = 10064544.

The previous prime is 20848039. The next prime is 20848043. The reversal of 20848042 is 24084802.

It can be written as a sum of positive squares in 2 ways, for example, as 20331081 + 516961 = 4509^2 + 719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20848042.

It is not an unprimeable number, because it can be changed into a prime (20848043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179667 + ... + 179782.

Almost surely, 2^20848042 is an apocalyptic number.

20848042 is a deficient number, since it is larger than the sum of its proper divisors (11502458).

20848042 is a wasteful number, since it uses less digits than its factorization.

20848042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359480.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 20848042 is about 4565.9656152888. The cubic root of 20848042 is about 275.2253447706.

The spelling of 20848042 in words is "twenty million, eight hundred forty-eight thousand, forty-two".