20050202 has 4 divisors (see below), whose sum is σ = 30075306. Its totient is φ = 10025100.

The previous prime is 20050201. The next prime is 20050207. The reversal of 20050202 is 20205002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20205002 = 2 ⋅10102501.

It can be written as a sum of positive squares in only one way, i.e., 12103441 + 7946761 = 3479^2 + 2819^2 .

It is not an unprimeable number, because it can be changed into a prime (20050201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012549 + ... + 5012552.

Almost surely, 2^20050202 is an apocalyptic number.

20050202 is a deficient number, since it is larger than the sum of its proper divisors (10025104).

20050202 is a wasteful number, since it uses less digits than its factorization.

20050202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025103.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 20050202 is about 4477.7451914998. The cubic root of 20050202 is about 271.6686872186.

Adding to 20050202 its reverse (20205002), we get a palindrome (40255204).

The spelling of 20050202 in words is "twenty million, fifty thousand, two hundred two".