4020203137 has 2 divisors, whose sum is σ = 4020203138. Its totient is φ = 4020203136.

The previous prime is 4020203123. The next prime is 4020203153. The reversal of 4020203137 is 7313020204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2597329296 + 1422873841 = 50964^2 + 37721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020203137 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020203107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010101568 + 2010101569.

It is an arithmetic number, because the mean of its divisors is an integer number (2010101569).

Almost surely, 2^4020203137 is an apocalyptic number.

It is an amenable number.

4020203137 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020203137 is an equidigital number, since it uses as much as digits as its factorization.

4020203137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 4020203137 is about 63405.0718554912. The cubic root of 4020203137 is about 1590.0691051541.

The spelling of 4020203137 in words is "four billion, twenty million, two hundred three thousand, one hundred thirty-seven".