20196011 has 12 divisors (see below), whose sum is σ = 22420440. Its totient is φ = 18041760.

The previous prime is 20195971. The next prime is 20196049. The reversal of 20196011 is 11069102.

It is not a de Polignac number, because 20196011 - 2¹⁸ = 19933867 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (20196091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49175 + ... + 49583.

It is an arithmetic number, because the mean of its divisors is an integer number (1868370).

Almost surely, 2^20196011 is an apocalyptic number.

20196011 is a deficient number, since it is larger than the sum of its proper divisors (2224429).

20196011 is an equidigital number, since it uses as much as digits as its factorization.

20196011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 487 counting only the distinct ones).

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

The square root of 20196011 is about 4493.9972185127. The cubic root of 20196011 is about 272.3256399389.

The spelling of 20196011 in words is "twenty million, one hundred ninety-six thousand, eleven".