20343012202 has 4 divisors (see below), whose sum is σ = 30514518306. Its totient is φ = 10171506100.

The previous prime is 20343012197. The next prime is 20343012233. The reversal of 20343012202 is 20221034302.

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., 15527901321 + 4815110881 = 124611^2 + 69391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20343012202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085753049 + ... + 5085753052.

Almost surely, 2^20343012202 is an apocalyptic number.

20343012202 is a deficient number, since it is larger than the sum of its proper divisors (10171506104).

20343012202 is a wasteful number, since it uses less digits than its factorization.

20343012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10171506103.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20343012202 its reverse (20221034302), we get a palindrome (40564046504).

The spelling of 20343012202 in words is "twenty billion, three hundred forty-three million, twelve thousand, two hundred two".