80203069 has 2 divisors, whose sum is σ = 80203070. Its totient is φ = 80203068.

The previous prime is 80203061. The next prime is 80203073. The reversal of 80203069 is 96030208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75951225 + 4251844 = 8715^2 + 2062^2 .

It is a cyclic number.

It is not a de Polignac number, because 80203069 - 2³ = 80203061 is a prime.

It is a super-2 number, since 2×80203069² = 12865064554037522, which contains 22 as substring.

It is equal to p_4680505 and since 80203069 and 4680505 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80203061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40101534 + 40101535.

It is an arithmetic number, because the mean of its divisors is an integer number (40101535).

Almost surely, 2^80203069 is an apocalyptic number.

It is an amenable number.

80203069 is a deficient number, since it is larger than the sum of its proper divisors (1).

80203069 is an equidigital number, since it uses as much as digits as its factorization.

80203069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 80203069 is about 8955.6166175200. The cubic root of 80203069 is about 431.2512123749.

The spelling of 80203069 in words is "eighty million, two hundred three thousand, sixty-nine".