20334057 has 16 divisors (see below), whose sum is σ = 28798272. Its totient is φ = 12718080.

The previous prime is 20334049. The next prime is 20334071. The reversal of 20334057 is 75043302.

It is not a de Polignac number, because 20334057 - 2³ = 20334049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20334007) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 29082 + ... + 29772.

It is an arithmetic number, because the mean of its divisors is an integer number (1799892).

Almost surely, 2^20334057 is an apocalyptic number.

It is an amenable number.

20334057 is a deficient number, since it is larger than the sum of its proper divisors (8464215).

20334057 is a wasteful number, since it uses less digits than its factorization.

20334057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20334057 is about 4509.3299945779. The cubic root of 20334057 is about 272.9447083075.

Adding to 20334057 its reverse (75043302), we get a palindrome (95377359).

The spelling of 20334057 in words is "twenty million, three hundred thirty-four thousand, fifty-seven".