20313050 has 24 divisors (see below), whose sum is σ = 39087900. Its totient is φ = 7844480.

The previous prime is 20313047. The next prime is 20313067. The reversal of 20313050 is 5031302.

It is a Cunningham number, because it is equal to 4507²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 10647169 + 9665881 = 3263^2 + 3109^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5555 + ... + 8454.

Almost surely, 2^20313050 is an apocalyptic number.

20313050 is a deficient number, since it is larger than the sum of its proper divisors (18774850).

20313050 is a wasteful number, since it uses less digits than its factorization.

20313050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050 (or 14045 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 20313050 is about 4507.0001109385. Note that the first 3 decimals coincide. The cubic root of 20313050 is about 272.8506833731.

Adding to 20313050 its reverse (5031302), we get a palindrome (25344352).

The spelling of 20313050 in words is "twenty million, three hundred thirteen thousand, fifty".