80209420 has 12 divisors (see below), whose sum is σ = 168439824. Its totient is φ = 32083760.

The previous prime is 80209403. The next prime is 80209421. The reversal of 80209420 is 2490208.

It is not an unprimeable number, because it can be changed into a prime (80209421) 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 in 3 ways as a sum of consecutive naturals, for example, 2005216 + ... + 2005255.

It is an arithmetic number, because the mean of its divisors is an integer number (14036652).

Almost surely, 2^80209420 is an apocalyptic number.

It is an amenable number.

80209420 is an abundant number, since it is smaller than the sum of its proper divisors (88230404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80209420 is a wasteful number, since it uses less digits than its factorization.

80209420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010480 (or 4010478 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80209420 is about 8955.9711924503. The cubic root of 80209420 is about 431.2625951653.

Adding to 80209420 its reverse (2490208), we get a palindrome (82699628).

The spelling of 80209420 in words is "eighty million, two hundred nine thousand, four hundred twenty".