20120532 has 12 divisors (see below), whose sum is σ = 46947936. Its totient is φ = 6706840.

The previous prime is 20120531. The next prime is 20120533. The reversal of 20120532 is 23502102.

It is an interprime number because it is at equal distance from previous prime (20120531) and next prime (20120533).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838344 + ... + 838367.

It is an arithmetic number, because the mean of its divisors is an integer number (3912328).

Almost surely, 2^20120532 is an apocalyptic number.

It is an amenable number.

20120532 is an abundant number, since it is smaller than the sum of its proper divisors (26827404).

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

20120532 is a wasteful number, since it uses less digits than its factorization.

20120532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676718 (or 1676716 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20120532 is about 4485.5915997781. The cubic root of 20120532 is about 271.9859602038.

Adding to 20120532 its reverse (23502102), we get a palindrome (43622634).

The spelling of 20120532 in words is "twenty million, one hundred twenty thousand, five hundred thirty-two".