20313202 has 16 divisors (see below), whose sum is σ = 37501632. Its totient is φ = 8035920.

The previous prime is 20313197. The next prime is 20313203. The reversal of 20313202 is 20231302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20313203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55624 + ... + 55987.

It is an arithmetic number, because the mean of its divisors is an integer number (2343852).

Almost surely, 2^20313202 is an apocalyptic number.

20313202 is a deficient number, since it is larger than the sum of its proper divisors (17188430).

20313202 is a wasteful number, since it uses less digits than its factorization.

20313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111633.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20313202 is about 4507.0169735647. The cubic root of 20313202 is about 272.8513639406.

Adding to 20313202 its reverse (20231302), we get a palindrome (40544504).

The spelling of 20313202 in words is "twenty million, three hundred thirteen thousand, two hundred two".