80180120 has 32 divisors (see below), whose sum is σ = 184248000. Its totient is φ = 31388928.

The previous prime is 80180119. The next prime is 80180141. The reversal of 80180120 is 2108108.

It is a super-3 number, since 3×80180120³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 80180092 and 80180101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19445 + ... + 23204.

It is an arithmetic number, because the mean of its divisors is an integer number (5757750).

Almost surely, 2^80180120 is an apocalyptic number.

It is an amenable number.

80180120 is an abundant number, since it is smaller than the sum of its proper divisors (104067880).

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

80180120 is a wasteful number, since it uses less digits than its factorization.

80180120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42707 (or 42703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 80180120 is about 8954.3352628769. The cubic root of 80180120 is about 431.2100762593.

Adding to 80180120 its reverse (2108108), we get a palindrome (82288228).

The spelling of 80180120 in words is "eighty million, one hundred eighty thousand, one hundred twenty".