20011196 has 24 divisors (see below), whose sum is σ = 36699264. Its totient is φ = 9529520.

The previous prime is 20011177. The next prime is 20011249. The reversal of 20011196 is 69111002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40511 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (1529136).

Almost surely, 2^20011196 is an apocalyptic number.

It is an amenable number.

20011196 is a deficient number, since it is larger than the sum of its proper divisors (16688068).

20011196 is a wasteful number, since it uses less digits than its factorization.

20011196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 20011196 is about 4473.3875307199. The cubic root of 20011196 is about 271.4924032437.

Adding to 20011196 its reverse (69111002), we get a palindrome (89122198).

The spelling of 20011196 in words is "twenty million, eleven thousand, one hundred ninety-six".