20240364 has 12 divisors (see below), whose sum is σ = 47227544. Its totient is φ = 6746784.

The previous prime is 20240357. The next prime is 20240383. The reversal of 20240364 is 46304202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20240364.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843337 + ... + 843360.

Almost surely, 2^20240364 is an apocalyptic number.

It is an amenable number.

20240364 is an abundant number, since it is smaller than the sum of its proper divisors (26987180).

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

20240364 is a wasteful number, since it uses less digits than its factorization.

20240364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686704 (or 1686702 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20240364 is about 4498.9292059333. The cubic root of 20240364 is about 272.5248480554.

Adding to 20240364 its reverse (46304202), we get a palindrome (66544566).

The spelling of 20240364 in words is "twenty million, two hundred forty thousand, three hundred sixty-four".