153233447220 has 384 divisors, whose sum is σ = 563305881600. Its totient is φ = 33854091264.

The previous prime is 153233447219. The next prime is 153233447249. The reversal of 153233447220 is 22744332351.

153233447220 is a `hidden beast` number, since 1 + 532 + 3 + 34 + 4 + 72 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15761521 + ... + 15771239.

It is an arithmetic number, because the mean of its divisors is an integer number (1466942400).

Almost surely, 2^153233447220 is an apocalyptic number.

153233447220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153233447220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281652940800).

153233447220 is an abundant number, since it is smaller than the sum of its proper divisors (410072434380).

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

153233447220 is a wasteful number, since it uses less digits than its factorization.

153233447220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9884 (or 9876 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 153233447220 its reverse (22744332351), we get a palindrome (175977779571).

The spelling of 153233447220 in words is "one hundred fifty-three billion, two hundred thirty-three million, four hundred forty-seven thousand, two hundred twenty".