20313010 has 8 divisors (see below), whose sum is σ = 36563436. Its totient is φ = 8125200.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313010 is 1031302.

It can be written as a sum of positive squares in 2 ways, for example, as 18498601 + 1814409 = 4301^2 + 1347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2031301 = 20313010 / (2 + 0 + 3 + 1 + 3 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015641 + ... + 1015660.

Almost surely, 2^20313010 is an apocalyptic number.

20313010 is a deficient number, since it is larger than the sum of its proper divisors (16250426).

20313010 is a wasteful number, since it uses less digits than its factorization.

20313010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031308.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 20313010 is about 4506.9956733949. The cubic root of 20313010 is about 272.8505042759.

Adding to 20313010 its reverse (1031302), we get a palindrome (21344312).

It can be divided in two parts, 2031 and 3010, that added together give a square (5041 = 71²).

The spelling of 20313010 in words is "twenty million, three hundred thirteen thousand, ten".