20313352 has 16 divisors (see below), whose sum is σ = 38481660. Its totient is φ = 10051584.

The previous prime is 20313343. The next prime is 20313361. The reversal of 20313352 is 25331302.

It is an interprime number because it is at equal distance from previous prime (20313343) and next prime (20313361).

It can be written as a sum of positive squares in 2 ways, for example, as 18887716 + 1425636 = 4346^2 + 1194^2 .

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, 12313 + ... + 13864.

Almost surely, 2^20313352 is an apocalyptic number.

It is an amenable number.

20313352 is a deficient number, since it is larger than the sum of its proper divisors (18168308).

20313352 is a wasteful number, since it uses less digits than its factorization.

20313352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26280 (or 26276 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 20313352 is about 4507.0336142523. The cubic root of 20313352 is about 272.8520355498.

Adding to 20313352 its reverse (25331302), we get a palindrome (45644654).

The spelling of 20313352 in words is "twenty million, three hundred thirteen thousand, three hundred fifty-two".