20734360 has 32 divisors (see below), whose sum is σ = 46785600. Its totient is φ = 8270080.

The previous prime is 20734321. The next prime is 20734361. The reversal of 20734360 is 6343702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734361) by changing a digit.

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, 22305 + ... + 23215.

It is an arithmetic number, because the mean of its divisors is an integer number (1462050).

Almost surely, 2^20734360 is an apocalyptic number.

20734360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20734360 is an abundant number, since it is smaller than the sum of its proper divisors (26051240).

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

20734360 is a wasteful number, since it uses less digits than its factorization.

20734360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1487 counting only the distinct ones).

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

The square root of 20734360 is about 4553.4997529373. The cubic root of 20734360 is about 274.7241752311.

The spelling of 20734360 in words is "twenty million, seven hundred thirty-four thousand, three hundred sixty".