453521250220 has 24 divisors (see below), whose sum is σ = 958786542000. Its totient is φ = 180190992192.

The previous prime is 453521250211. The next prime is 453521250263. The reversal of 453521250220 is 22052125354.

It is a super-2 number, since 2×453521250220² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76091190 + ... + 76097149.

It is an arithmetic number, because the mean of its divisors is an integer number (39949439250).

Almost surely, 2^453521250220 is an apocalyptic number.

It is an amenable number.

453521250220 is an abundant number, since it is smaller than the sum of its proper divisors (505265291780).

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

453521250220 is a wasteful number, since it uses less digits than its factorization.

453521250220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152188497 (or 152188495 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 453521250220 its reverse (22052125354), we get a palindrome (475573375574).

The spelling of 453521250220 in words is "four hundred fifty-three billion, five hundred twenty-one million, two hundred fifty thousand, two hundred twenty".