320650026 has 16 divisors (see below), whose sum is σ = 642904128. Its totient is φ = 106616000.

The previous prime is 320650009. The next prime is 320650063. The reversal of 320650026 is 620056023.

It is a junction number, because it is equal to n+sod(n) for n = 320649978 and 320650005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64230 + ... + 69041.

It is an arithmetic number, because the mean of its divisors is an integer number (40181508).

Almost surely, 2^320650026 is an apocalyptic number.

320650026 is an abundant number, since it is smaller than the sum of its proper divisors (322254102).

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

320650026 is a wasteful number, since it uses less digits than its factorization.

320650026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133677.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 320650026 is about 17906.7033816948. The cubic root of 320650026 is about 684.4532024395.

The spelling of 320650026 in words is "three hundred twenty million, six hundred fifty thousand, twenty-six".