20360228 has 24 divisors (see below), whose sum is σ = 41332032. Its totient is φ = 8594784.

The previous prime is 20360213. The next prime is 20360243. The reversal of 20360228 is 82206302.

It is an interprime number because it is at equal distance from previous prime (20360213) and next prime (20360243).

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 7 ways as a sum of consecutive naturals, for example, 3551 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (1722168).

Almost surely, 2^20360228 is an apocalyptic number.

20360228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20360228 is an abundant number, since it is smaller than the sum of its proper divisors (20971804).

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

20360228 is a wasteful number, since it uses less digits than its factorization.

20360228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10931 (or 10929 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20360228 is about 4512.2309338065. The cubic root of 20360228 is about 273.0617561676.

The spelling of 20360228 in words is "twenty million, three hundred sixty thousand, two hundred twenty-eight".