80202105 has 12 divisors (see below), whose sum is σ = 139017060. Its totient is φ = 42774432.

The previous prime is 80202079. The next prime is 80202119. The reversal of 80202105 is 50120208.

It can be written as a sum of positive squares in 2 ways, for example, as 43877376 + 36324729 = 6624^2 + 6027^2 .

It is not a de Polignac number, because 80202105 - 2⁶ = 80202041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891090 + ... + 891179.

It is an arithmetic number, because the mean of its divisors is an integer number (11584755).

Almost surely, 2^80202105 is an apocalyptic number.

It is an amenable number.

80202105 is a deficient number, since it is larger than the sum of its proper divisors (58814955).

80202105 is a wasteful number, since it uses less digits than its factorization.

80202105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782280 (or 1782277 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 80202105 is about 8955.5627963853. The cubic root of 80202105 is about 431.2494845615.

The spelling of 80202105 in words is "eighty million, two hundred two thousand, one hundred five".