20402314 has 16 divisors (see below), whose sum is σ = 32457600. Its totient is φ = 9591264.

The previous prime is 20402287. The next prime is 20402321. The reversal of 20402314 is 41320402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247 + ... + 7165.

It is an arithmetic number, because the mean of its divisors is an integer number (2028600).

Almost surely, 2^20402314 is an apocalyptic number.

20402314 is a deficient number, since it is larger than the sum of its proper divisors (12055286).

20402314 is a wasteful number, since it uses less digits than its factorization.

20402314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20402314 is about 4516.8920730963. The cubic root of 20402314 is about 273.2497725271.

Adding to 20402314 its reverse (41320402), we get a palindrome (61722716).

The spelling of 20402314 in words is "twenty million, four hundred two thousand, three hundred fourteen".