452331421020 has 72 divisors (see below), whose sum is σ = 1378063683360. Its totient is φ = 120094968960.

The previous prime is 452331420997. The next prime is 452331421027. The reversal of 452331421020 is 20124133254.

452331421020 is a `hidden beast` number, since 4 + 5 + 233 + 1 + 421 + 0 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452331421027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445576 + ... + 5528015.

It is an arithmetic number, because the mean of its divisors is an integer number (19139773380).

Almost surely, 2^452331421020 is an apocalyptic number.

It is an amenable number.

452331421020 is an abundant number, since it is smaller than the sum of its proper divisors (925732262340).

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

452331421020 is a wasteful number, since it uses less digits than its factorization.

452331421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10973835 (or 10973830 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 452331421020 its reverse (20124133254), we get a palindrome (472455554274).

The spelling of 452331421020 in words is "four hundred fifty-two billion, three hundred thirty-one million, four hundred twenty-one thousand, twenty".