80225920 has 32 divisors (see below), whose sum is σ = 191791620. Its totient is φ = 32090112.

The previous prime is 80225911. The next prime is 80225927. The reversal of 80225920 is 2952208.

It can be written as a sum of positive squares in 2 ways, for example, as 80138304 + 87616 = 8952^2 + 296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (80225927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62037 + ... + 63316.

Almost surely, 2^80225920 is an apocalyptic number.

80225920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80225920 is an abundant number, since it is smaller than the sum of its proper divisors (111565700).

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

80225920 is a wasteful number, since it uses less digits than its factorization.

80225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125372 (or 125360 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 80225920 is about 8956.8923182095. The cubic root of 80225920 is about 431.2921650294.

The spelling of 80225920 in words is "eighty million, two hundred twenty-five thousand, nine hundred twenty".