20053937 has 2 divisors, whose sum is σ = 20053938. Its totient is φ = 20053936.

The previous prime is 20053927. The next prime is 20053951. The reversal of 20053937 is 73935002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19439281 + 614656 = 4409^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 20053937 - 2¹⁰ = 20052913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20053927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026968 + 10026969.

It is an arithmetic number, because the mean of its divisors is an integer number (10026969).

Almost surely, 2^20053937 is an apocalyptic number.

It is an amenable number.

20053937 is a deficient number, since it is larger than the sum of its proper divisors (1).

20053937 is an equidigital number, since it uses as much as digits as its factorization.

20053937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 20053937 is about 4478.1622346673. The cubic root of 20053937 is about 271.6855552041.

Adding to 20053937 its reverse (73935002), we get a palindrome (93988939).

The spelling of 20053937 in words is "twenty million, fifty-three thousand, nine hundred thirty-seven".