80020212 has 12 divisors (see below), whose sum is σ = 186713856. Its totient is φ = 26673400.

The previous prime is 80020211. The next prime is 80020219. The reversal of 80020212 is 21202008.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 80020191 and 80020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334164 + ... + 3334187.

It is an arithmetic number, because the mean of its divisors is an integer number (15559488).

Almost surely, 2^80020212 is an apocalyptic number.

It is an amenable number.

80020212 is an abundant number, since it is smaller than the sum of its proper divisors (106693644).

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

80020212 is a wasteful number, since it uses less digits than its factorization.

80020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668358 (or 6668356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 80020212 is about 8945.4017237908. The cubic root of 80020212 is about 430.9232228124.

It can be divided in two parts, 800 and 20212, that added together give a palindrome (21012).

The spelling of 80020212 in words is "eighty million, twenty thousand, two hundred twelve".