20113202 has 4 divisors (see below), whose sum is σ = 30169806. Its totient is φ = 10056600.

The previous prime is 20113189. The next prime is 20113213. The reversal of 20113202 is 20231102.

It is a happy number.

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., 15832441 + 4280761 = 3979^2 + 2069^2 .

It is an unprimeable number.

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, 5028299 + ... + 5028302.

Almost surely, 2^20113202 is an apocalyptic number.

20113202 is a deficient number, since it is larger than the sum of its proper divisors (10056604).

20113202 is a wasteful number, since it uses less digits than its factorization.

20113202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056603.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20113202 is about 4484.7744647864. The cubic root of 20113202 is about 271.9529276240.

Adding to 20113202 its reverse (20231102), we get a palindrome (40344304).

The spelling of 20113202 in words is "twenty million, one hundred thirteen thousand, two hundred two".