204026729 has 2 divisors, whose sum is σ = 204026730. Its totient is φ = 204026728.

The previous prime is 204026663. The next prime is 204026737. The reversal of 204026729 is 927620402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202920025 + 1106704 = 14245^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 204026729 - 2¹⁶ = 203961193 is a prime.

It is a super-2 number, since 2×204026729² = 83253812292878882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204026695 and 204026704.

It is not a weakly prime, because it can be changed into another prime (204026749) 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 as a sum of consecutive naturals, namely, 102013364 + 102013365.

It is an arithmetic number, because the mean of its divisors is an integer number (102013365).

Almost surely, 2^204026729 is an apocalyptic number.

It is an amenable number.

204026729 is a deficient number, since it is larger than the sum of its proper divisors (1).

204026729 is an equidigital number, since it uses as much as digits as its factorization.

204026729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 204026729 is about 14283.7925285969. The cubic root of 204026729 is about 588.7022409169.

The spelling of 204026729 in words is "two hundred four million, twenty-six thousand, seven hundred twenty-nine".