20572928933 has 8 divisors (see below), whose sum is σ = 21473944128. Its totient is φ = 19672458784.

The previous prime is 20572928923. The next prime is 20572928941. The reversal of 20572928933 is 33982927502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20572928933 - 2⁴ = 20572928917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572928923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58160 + ... + 211017.

It is an arithmetic number, because the mean of its divisors is an integer number (2684243016).

Almost surely, 2^20572928933 is an apocalyptic number.

20572928933 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20572928933 is a deficient number, since it is larger than the sum of its proper divisors (901015195).

20572928933 is a wasteful number, since it uses less digits than its factorization.

20572928933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272523.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 20572928933 in words is "twenty billion, five hundred seventy-two million, nine hundred twenty-eight thousand, nine hundred thirty-three".