20601744 has 40 divisors (see below), whose sum is σ = 55538112. Its totient is φ = 6568320.

The previous prime is 20601743. The next prime is 20601761. The reversal of 20601744 is 44710602.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20601743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8227 + ... + 10434.

Almost surely, 2^20601744 is an apocalyptic number.

20601744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20601744 is an abundant number, since it is smaller than the sum of its proper divisors (34936368).

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

20601744 is a wasteful number, since it uses less digits than its factorization.

20601744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695 (or 18689 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20601744 is about 4538.9144076530. The cubic root of 20601744 is about 274.1372143827.

The spelling of 20601744 in words is "twenty million, six hundred one thousand, seven hundred forty-four".