20533241232 has 320 divisors, whose sum is σ = 68995187200. Its totient is φ = 5725624320.

The previous prime is 20533241213. The next prime is 20533241249. The reversal of 20533241232 is 23214233502.

20533241232 is a `hidden beast` number, since 2 + 0 + 533 + 2 + 4 + 123 + 2 = 666.

It is a super-2 number, since 2×20533241232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20533241196 and 20533241205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28960494 + ... + 28961202.

It is an arithmetic number, because the mean of its divisors is an integer number (215609960).

Almost surely, 2^20533241232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20533241232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34497593600).

20533241232 is an abundant number, since it is smaller than the sum of its proper divisors (48461945968).

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

20533241232 is a wasteful number, since it uses less digits than its factorization.

20533241232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20533241232 its reverse (23214233502), we get a palindrome (43747474734).

The spelling of 20533241232 in words is "twenty billion, five hundred thirty-three million, two hundred forty-one thousand, two hundred thirty-two".