20602444 has 12 divisors (see below), whose sum is σ = 36094968. Its totient is φ = 10289600.

The previous prime is 20602423. The next prime is 20602447. The reversal of 20602444 is 44420602.

It is a super-3 number, since 3×20602444³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20602447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (3007914).

Almost surely, 2^20602444 is an apocalyptic number.

It is an amenable number.

20602444 is a deficient number, since it is larger than the sum of its proper divisors (15492524).

20602444 is a wasteful number, since it uses less digits than its factorization.

20602444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816 (or 5814 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20602444 is about 4538.9915179476. The cubic root of 20602444 is about 274.1403191987.

The spelling of 20602444 in words is "twenty million, six hundred two thousand, four hundred forty-four".