20005196 has 6 divisors (see below), whose sum is σ = 35009100. Its totient is φ = 10002596.

The previous prime is 20005177. The next prime is 20005207. The reversal of 20005196 is 69150002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500646 + ... + 2500653.

It is an arithmetic number, because the mean of its divisors is an integer number (5834850).

Almost surely, 2^20005196 is an apocalyptic number.

It is an amenable number.

20005196 is a deficient number, since it is larger than the sum of its proper divisors (15003904).

20005196 is a wasteful number, since it uses less digits than its factorization.

20005196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001303 (or 5001301 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 20005196 is about 4472.7168477336. The cubic root of 20005196 is about 271.4652664807.

Adding to 20005196 its reverse (69150002), we get a palindrome (89155198).

The spelling of 20005196 in words is "twenty million, five thousand, one hundred ninety-six".