20234057 has 2 divisors, whose sum is σ = 20234058. Its totient is φ = 20234056.

The previous prime is 20234047. The next prime is 20234087. The reversal of 20234057 is 75043202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 2627641 = 4196^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 20234057 - 2¹⁰ = 20233033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20234047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10117028 + 10117029.

It is an arithmetic number, because the mean of its divisors is an integer number (10117029).

Almost surely, 2^20234057 is an apocalyptic number.

It is an amenable number.

20234057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234057 is an equidigital number, since it uses as much as digits as its factorization.

20234057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20234057 is about 4498.2282067499. The cubic root of 20234057 is about 272.4965384068.

Adding to 20234057 its reverse (75043202), we get a palindrome (95277259).

The spelling of 20234057 in words is "twenty million, two hundred thirty-four thousand, fifty-seven".