80950220 has 24 divisors (see below), whose sum is σ = 183072624. Its totient is φ = 29889216.

The previous prime is 80950189. The next prime is 80950229. The reversal of 80950220 is 2205908.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 80950220.

It is not an unprimeable number, because it can be changed into a prime (80950229) 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, 155414 + ... + 155933.

It is an arithmetic number, because the mean of its divisors is an integer number (7628026).

Almost surely, 2^80950220 is an apocalyptic number.

It is an amenable number.

80950220 is an abundant number, since it is smaller than the sum of its proper divisors (102122404).

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

80950220 is a wasteful number, since it uses less digits than its factorization.

80950220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311369 (or 311367 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 80950220 is about 8997.2340194084. The cubic root of 80950220 is about 432.5862168993.

The spelling of 80950220 in words is "eighty million, nine hundred fifty thousand, two hundred twenty".