80520922 has 4 divisors (see below), whose sum is σ = 120781386. Its totient is φ = 40260460.

The previous prime is 80520889. The next prime is 80520929. The reversal of 80520922 is 22902508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79727041 + 793881 = 8929^2 + 891^2 .

It is not an unprimeable number, because it can be changed into a prime (80520929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20130229 + ... + 20130232.

Almost surely, 2^80520922 is an apocalyptic number.

80520922 is a deficient number, since it is larger than the sum of its proper divisors (40260464).

80520922 is a wasteful number, since it uses less digits than its factorization.

80520922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40260463.

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

The square root of 80520922 is about 8973.3450841924. The cubic root of 80520922 is about 431.8201590535.

The spelling of 80520922 in words is "eighty million, five hundred twenty thousand, nine hundred twenty-two".