20180652 has 12 divisors (see below), whose sum is σ = 47088216. Its totient is φ = 6726880.

The previous prime is 20180627. The next prime is 20180707. The reversal of 20180652 is 25608102.

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

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, 840849 + ... + 840872.

It is an arithmetic number, because the mean of its divisors is an integer number (3924018).

Almost surely, 2^20180652 is an apocalyptic number.

It is an amenable number.

20180652 is an abundant number, since it is smaller than the sum of its proper divisors (26907564).

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

20180652 is a wasteful number, since it uses less digits than its factorization.

20180652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681728 (or 1681726 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20180652 is about 4492.2880584397. The cubic root of 20180652 is about 272.2565881799.

Adding to 20180652 its reverse (25608102), we get a palindrome (45788754).

The spelling of 20180652 in words is "twenty million, one hundred eighty thousand, six hundred fifty-two".