20203313202 has 12 divisors (see below), whose sum is σ = 43773845310. Its totient is φ = 6734437728.

The previous prime is 20203313201. The next prime is 20203313209. The reversal of 20203313202 is 20231330202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16220314881 + 3982998321 = 127359^2 + 63111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1122406289 = 20203313202 / (2 + 0 + 2 + 0 + 3 + 3 + 1 + 3 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (20203313201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561203127 + ... + 561203162.

Almost surely, 2^20203313202 is an apocalyptic number.

20203313202 is an abundant number, since it is smaller than the sum of its proper divisors (23570532108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203313202 is a wasteful number, since it uses less digits than its factorization.

20203313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122406297 (or 1122406294 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20203313202 its reverse (20231330202), we get a palindrome (40434643404).

The spelling of 20203313202 in words is "twenty billion, two hundred three million, three hundred thirteen thousand, two hundred two".