80020120231 has 8 divisors (see below), whose sum is σ = 82610728064. Its totient is φ = 77430094560.

The previous prime is 80020120223. The next prime is 80020120259. The reversal of 80020120231 is 13202102008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80020120231 - 2³ = 80020120223 is a prime.

It is a super-2 number, since 2×80020120231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80020120199 and 80020120208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020120211) 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, 142921 + ... + 424813.

It is an arithmetic number, because the mean of its divisors is an integer number (10326341008).

Almost surely, 2^80020120231 is an apocalyptic number.

80020120231 is a deficient number, since it is larger than the sum of its proper divisors (2590607833).

80020120231 is a wasteful number, since it uses less digits than its factorization.

80020120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291081.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 80020120231 its reverse (13202102008), we get a palindrome (93222222239).

The spelling of 80020120231 in words is "eighty billion, twenty million, one hundred twenty thousand, two hundred thirty-one".