80081420 has 24 divisors (see below), whose sum is σ = 171751104. Its totient is φ = 31350656.

The previous prime is 80081413. The next prime is 80081429. The reversal of 80081420 is 2418008.

It is not an unprimeable number, because it can be changed into a prime (80081429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41657 + ... + 43536.

It is an arithmetic number, because the mean of its divisors is an integer number (7156296).

Almost surely, 2^80081420 is an apocalyptic number.

It is an amenable number.

80081420 is an abundant number, since it is smaller than the sum of its proper divisors (91669684).

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

80081420 is a wasteful number, since it uses less digits than its factorization.

80081420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85249 (or 85247 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 80081420 is about 8948.8222688799. The cubic root of 80081420 is about 431.0330668371.

Adding to 80081420 its reverse (2418008), we get a palindrome (82499428).

The spelling of 80081420 in words is "eighty million, eighty-one thousand, four hundred twenty".