20535270533 has 16 divisors (see below), whose sum is σ = 21752966400. Its totient is φ = 19352208960.

The previous prime is 20535270523. The next prime is 20535270559. The reversal of 20535270533 is 33507253502.

It is a cyclic number.

It is not a de Polignac number, because 20535270533 - 2⁴ = 20535270517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20535270493 and 20535270502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535270523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016308 + ... + 2026466.

It is an arithmetic number, because the mean of its divisors is an integer number (1359560400).

Almost surely, 2^20535270533 is an apocalyptic number.

It is an amenable number.

20535270533 is a deficient number, since it is larger than the sum of its proper divisors (1217695867).

20535270533 is a wasteful number, since it uses less digits than its factorization.

20535270533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11852.

The product of its (nonzero) digits is 94500, while the sum is 35.

The spelling of 20535270533 in words is "twenty billion, five hundred thirty-five million, two hundred seventy thousand, five hundred thirty-three".