80646420200 has 48 divisors (see below), whose sum is σ = 187536746880. Its totient is φ = 32252749760.

The previous prime is 80646420191. The next prime is 80646420221. The reversal of 80646420200 is 202464608.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1176059 + ... + 1242741.

It is an arithmetic number, because the mean of its divisors is an integer number (3907015560).

Almost surely, 2^80646420200 is an apocalyptic number.

It is an amenable number.

80646420200 is an abundant number, since it is smaller than the sum of its proper divisors (106890326680).

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

80646420200 is a wasteful number, since it uses less digits than its factorization.

80646420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72746 (or 72737 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 80646420200 its reverse (202464608), we get a palindrome (80848884808).

The spelling of 80646420200 in words is "eighty billion, six hundred forty-six million, four hundred twenty thousand, two hundred".