80302020 has 24 divisors (see below), whose sum is σ = 224845824. Its totient is φ = 21413856.

The previous prime is 80302007. The next prime is 80302031. The reversal of 80302020 is 2020308.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 669124 + ... + 669243.

It is an arithmetic number, because the mean of its divisors is an integer number (9368576).

Almost surely, 2^80302020 is an apocalyptic number.

It is an amenable number.

80302020 is an abundant number, since it is smaller than the sum of its proper divisors (144543804).

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

80302020 is a wasteful number, since it uses less digits than its factorization.

80302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338379 (or 1338377 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 80302020 is about 8961.1394364779. The cubic root of 80302020 is about 431.4284923802.

Adding to 80302020 its reverse (2020308), we get a palindrome (82322328).

The spelling of 80302020 in words is "eighty million, three hundred two thousand, twenty".