20103360 has 112 divisors (see below), whose sum is σ = 65446656. Its totient is φ = 5225472.

The previous prime is 20103359. The next prime is 20103361. The reversal of 20103360 is 6330102.

It is an interprime number because it is at equal distance from previous prime (20103359) and next prime (20103361).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20103361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41037 + ... + 41523.

Almost surely, 2^20103360 is an apocalyptic number.

20103360 is a gapful number since it is divisible by the number (20) 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 20103360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32723328).

20103360 is an abundant number, since it is smaller than the sum of its proper divisors (45343296).

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

20103360 is a wasteful number, since it uses less digits than its factorization.

20103360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20103360 is about 4483.6770624121. The cubic root of 20103360 is about 271.9085621138.

Adding to 20103360 its reverse (6330102), we get a palindrome (26433462).

The spelling of 20103360 in words is "twenty million, one hundred three thousand, three hundred sixty".