20210532 has 36 divisors (see below), whose sum is σ = 47915280. Its totient is φ = 6630144.

The previous prime is 20210513. The next prime is 20210539. The reversal of 20210532 is 23501202.

It is not an unprimeable number, because it can be changed into a prime (20210539) 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 11 ways as a sum of consecutive naturals, for example, 112819 + ... + 112997.

It is an arithmetic number, because the mean of its divisors is an integer number (1330980).

Almost surely, 2^20210532 is an apocalyptic number.

It is an amenable number.

20210532 is an abundant number, since it is smaller than the sum of its proper divisors (27704748).

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

20210532 is a wasteful number, since it uses less digits than its factorization.

20210532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 281 counting only the distinct ones).

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

The square root of 20210532 is about 4495.6125277875. The cubic root of 20210532 is about 272.3908919870.

Adding to 20210532 its reverse (23501202), we get a palindrome (43711734).

It can be divided in two parts, 2021053 and 2, that added together give a triangular number (2021055 = T₂₀₁₀).

The spelling of 20210532 in words is "twenty million, two hundred ten thousand, five hundred thirty-two".