20196264 has 64 divisors (see below), whose sum is σ = 55650240. Its totient is φ = 6056960.

The previous prime is 20196227. The next prime is 20196299. The reversal of 20196264 is 46269102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 30170.

It is an arithmetic number, because the mean of its divisors is an integer number (869535).

Almost surely, 2^20196264 is an apocalyptic number.

20196264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20196264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27825120).

20196264 is an abundant number, since it is smaller than the sum of its proper divisors (35453976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20196264 is a wasteful number, since it uses less digits than its factorization.

20196264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20196264 is about 4494.0253670846. The cubic root of 20196264 is about 272.3267770958.

The spelling of 20196264 in words is "twenty million, one hundred ninety-six thousand, two hundred sixty-four".