20533014520 has 64 divisors (see below), whose sum is σ = 46671926400. Its totient is φ = 8129341440.

The previous prime is 20533014499. The next prime is 20533014527. The reversal of 20533014520 is 2541033502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533014527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5653105 + ... + 5656735.

It is an arithmetic number, because the mean of its divisors is an integer number (729248850).

Almost surely, 2^20533014520 is an apocalyptic number.

20533014520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20533014520 is an abundant number, since it is smaller than the sum of its proper divisors (26138911880).

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

20533014520 is a wasteful number, since it uses less digits than its factorization.

20533014520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5048 (or 5044 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 20533014520 in words is "twenty billion, five hundred thirty-three million, fourteen thousand, five hundred twenty".