80013420 has 60 divisors (see below), whose sum is σ = 251010144. Its totient is φ = 21336480.

The previous prime is 80013413. The next prime is 80013431. The reversal of 80013420 is 2431008.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 80013393 and 80013402.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23076 + ... + 26315.

Almost surely, 2^80013420 is an apocalyptic number.

It is an amenable number.

80013420 is an abundant number, since it is smaller than the sum of its proper divisors (170996724).

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

80013420 is a wasteful number, since it uses less digits than its factorization.

80013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49412 (or 49401 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80013420 is about 8945.0220793467. The cubic root of 80013420 is about 430.9110304205.

Adding to 80013420 its reverse (2431008), we get a palindrome (82444428).

The spelling of 80013420 in words is "eighty million, thirteen thousand, four hundred twenty".