20241340 has 48 divisors (see below), whose sum is σ = 48932352. Its totient is φ = 6889536.

The previous prime is 20241329. The next prime is 20241341. The reversal of 20241340 is 4314202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20241341) 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, 22377 + ... + 23263.

It is an arithmetic number, because the mean of its divisors is an integer number (1019424).

Almost surely, 2^20241340 is an apocalyptic number.

20241340 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 20241340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24466176).

20241340 is an abundant number, since it is smaller than the sum of its proper divisors (28691012).

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

20241340 is a wasteful number, since it uses less digits than its factorization.

20241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20241340 is about 4499.0376748812. The cubic root of 20241340 is about 272.5292284110.

Adding to 20241340 its reverse (4314202), we get a palindrome (24555542).

It can be divided in two parts, 2024 and 1340, that added together give a square (3364 = 58²).

The spelling of 20241340 in words is "twenty million, two hundred forty-one thousand, three hundred forty".