20130652 has 24 divisors (see below), whose sum is σ = 39266640. Its totient is φ = 8974080.

The previous prime is 20130647. The next prime is 20130653. The reversal of 20130652 is 25603102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130653) 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 7 ways as a sum of consecutive naturals, for example, 6499 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (1636110).

Almost surely, 2^20130652 is an apocalyptic number.

It is an amenable number.

20130652 is a deficient number, since it is larger than the sum of its proper divisors (19135988).

20130652 is a wasteful number, since it uses less digits than its factorization.

20130652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15621 (or 15619 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20130652 is about 4486.7195143000. The cubic root of 20130652 is about 272.0315527122.

Adding to 20130652 its reverse (25603102), we get a palindrome (45733754).

The spelling of 20130652 in words is "twenty million, one hundred thirty thousand, six hundred fifty-two".