20314402 has 4 divisors (see below), whose sum is σ = 30471606. Its totient is φ = 10157200.

The previous prime is 20314397. The next prime is 20314409. The reversal of 20314402 is 20441302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 8473921 = 3441^2 + 2911^2 .

It is not an unprimeable number, because it can be changed into a prime (20314409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078599 + ... + 5078602.

Almost surely, 2^20314402 is an apocalyptic number.

20314402 is a deficient number, since it is larger than the sum of its proper divisors (10157204).

20314402 is a wasteful number, since it uses less digits than its factorization.

20314402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157203.

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

The square root of 20314402 is about 4507.1500973453. The cubic root of 20314402 is about 272.8567367221.

Adding to 20314402 its reverse (20441302), we get a palindrome (40755704).

The spelling of 20314402 in words is "twenty million, three hundred fourteen thousand, four hundred two".