20730733224 has 32 divisors (see below), whose sum is σ = 52170066240. Its totient is φ = 6864480000.

The previous prime is 20730733193. The next prime is 20730733271. The reversal of 20730733224 is 42233703702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2856577 + ... + 2863824.

It is an arithmetic number, because the mean of its divisors is an integer number (1630314570).

Almost surely, 2^20730733224 is an apocalyptic number.

20730733224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20730733224 is an abundant number, since it is smaller than the sum of its proper divisors (31439333016).

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

20730733224 is a wasteful number, since it uses less digits than its factorization.

20730733224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720561 (or 5720557 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 33.

The spelling of 20730733224 in words is "twenty billion, seven hundred thirty million, seven hundred thirty-three thousand, two hundred twenty-four".