80205050 has 12 divisors (see below), whose sum is σ = 149181486. Its totient is φ = 32082000.

The previous prime is 80205043. The next prime is 80205053. The reversal of 80205050 is 5050208.

It can be written as a sum of positive squares in 3 ways, for example, as 72812089 + 7392961 = 8533^2 + 2719^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80205053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802001 + ... + 802100.

Almost surely, 2^80205050 is an apocalyptic number.

80205050 is a deficient number, since it is larger than the sum of its proper divisors (68976436).

80205050 is a wasteful number, since it uses less digits than its factorization.

80205050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604113 (or 1604108 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 80205050 is about 8955.7272178199. The cubic root of 80205050 is about 431.2547629524.

Adding to 80205050 its reverse (5050208), we get a palindrome (85255258).

The spelling of 80205050 in words is "eighty million, two hundred five thousand, fifty".