203020325029 has 2 divisors, whose sum is σ = 203020325030. Its totient is φ = 203020325028.

The previous prime is 203020325009. The next prime is 203020325059. The reversal of 203020325029 is 920523020302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149516008929 + 53504316100 = 386673^2 + 231310^2 .

It is a cyclic number.

It is not a de Polignac number, because 203020325029 - 2⁹ = 203020324517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203020324988 and 203020325006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203020325009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101510162514 + 101510162515.

It is an arithmetic number, because the mean of its divisors is an integer number (101510162515).

Almost surely, 2^203020325029 is an apocalyptic number.

It is an amenable number.

203020325029 is a deficient number, since it is larger than the sum of its proper divisors (1).

203020325029 is an equidigital number, since it uses as much as digits as its factorization.

203020325029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 203020325029 in words is "two hundred three billion, twenty million, three hundred twenty-five thousand, twenty-nine".