20161452 has 12 divisors (see below), whose sum is σ = 47043416. Its totient is φ = 6720480.

The previous prime is 20161441. The next prime is 20161457. The reversal of 20161452 is 25416102.

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

It is not an unprimeable number, because it can be changed into a prime (20161457) 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 3 ways as a sum of consecutive naturals, for example, 840049 + ... + 840072.

Almost surely, 2^20161452 is an apocalyptic number.

It is an amenable number.

20161452 is an abundant number, since it is smaller than the sum of its proper divisors (26881964).

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

20161452 is a wasteful number, since it uses less digits than its factorization.

20161452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680128 (or 1680126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20161452 is about 4490.1505542688. The cubic root of 20161452 is about 272.1702185697.

Adding to 20161452 its reverse (25416102), we get a palindrome (45577554).

The spelling of 20161452 in words is "twenty million, one hundred sixty-one thousand, four hundred fifty-two".