20313254 has 16 divisors (see below), whose sum is σ = 33212592. Its totient is φ = 9261408.

The previous prime is 20313247. The next prime is 20313281. The reversal of 20313254 is 45231302.

It is a happy number.

It is a congruent number.

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, 2549 + ... + 6864.

It is an arithmetic number, because the mean of its divisors is an integer number (2075787).

Almost surely, 2^20313254 is an apocalyptic number.

20313254 is a deficient number, since it is larger than the sum of its proper divisors (12899338).

20313254 is a wasteful number, since it uses less digits than its factorization.

20313254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20313254 is about 4507.0227423433. The cubic root of 20313254 is about 272.8515967655.

Adding to 20313254 its reverse (45231302), we get a palindrome (65544556).

The spelling of 20313254 in words is "twenty million, three hundred thirteen thousand, two hundred fifty-four".