313202020 has 12 divisors (see below), whose sum is σ = 657724284. Its totient is φ = 125280800.

The previous prime is 313202009. The next prime is 313202041. The reversal of 313202020 is 20202313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128459556 + 184742464 = 11334^2 + 13592^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7830031 + ... + 7830070.

It is an arithmetic number, because the mean of its divisors is an integer number (54810357).

Almost surely, 2^313202020 is an apocalyptic number.

It is an amenable number.

313202020 is an abundant number, since it is smaller than the sum of its proper divisors (344522264).

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

313202020 is a wasteful number, since it uses less digits than its factorization.

313202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660110 (or 15660108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 313202020 is about 17697.5145147560. The cubic root of 313202020 is about 679.1121775615.

Adding to 313202020 its reverse (20202313), we get a palindrome (333404333).

The spelling of 313202020 in words is "three hundred thirteen million, two hundred two thousand, twenty".