20367340 has 48 divisors (see below), whose sum is σ = 49896000. Its totient is φ = 6980736.

The previous prime is 20367313. The next prime is 20367349. The reversal of 20367340 is 4376302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20367349) 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, 5376 + ... + 8344.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^20367340 is an apocalyptic number.

20367340 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 20367340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24948000).

20367340 is an abundant number, since it is smaller than the sum of its proper divisors (29528660).

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

20367340 is a wasteful number, since it uses less digits than its factorization.

20367340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20367340 is about 4513.0189452295. The cubic root of 20367340 is about 273.0935467273.

The spelling of 20367340 in words is "twenty million, three hundred sixty-seven thousand, three hundred forty".