20036268 has 96 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 5384448.

The previous prime is 20036257. The next prime is 20036273. The reversal of 20036268 is 86263002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 12073 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^20036268 is an apocalyptic number.

20036268 is a gapful number since it is divisible by the number (28) 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 20036268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

20036268 is an abundant number, since it is smaller than the sum of its proper divisors (42862932).

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

20036268 is a wasteful number, since it uses less digits than its factorization.

20036268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20036268 is about 4476.1890040524. The cubic root of 20036268 is about 271.6057400768.

The spelling of 20036268 in words is "twenty million, thirty-six thousand, two hundred sixty-eight".