20057246 has 16 divisors (see below), whose sum is σ = 34752240. Its totient is φ = 8580480.

The previous prime is 20057243. The next prime is 20057249. The reversal of 20057246 is 64275002.

It is an interprime number because it is at equal distance from previous prime (20057243) and next prime (20057249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20057243) by changing a digit.

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, 26441 + ... + 27188.

It is an arithmetic number, because the mean of its divisors is an integer number (2172015).

Almost surely, 2^20057246 is an apocalyptic number.

20057246 is a deficient number, since it is larger than the sum of its proper divisors (14694994).

20057246 is a wasteful number, since it uses less digits than its factorization.

20057246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53659.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20057246 is about 4478.5316790216. The cubic root of 20057246 is about 271.7004975412.

The spelling of 20057246 in words is "twenty million, fifty-seven thousand, two hundred forty-six".