20535345532 has 24 divisors (see below), whose sum is σ = 38714684400. Its totient is φ = 9474556416.

The previous prime is 20535345451. The next prime is 20535345541. The reversal of 20535345532 is 23554353502.

It is a super-2 number, since 2×20535345532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20535345491 and 20535345500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85644 + ... + 220012.

It is an arithmetic number, because the mean of its divisors is an integer number (1613111850).

Almost surely, 2^20535345532 is an apocalyptic number.

It is an amenable number.

20535345532 is a deficient number, since it is larger than the sum of its proper divisors (18179338868).

20535345532 is a wasteful number, since it uses less digits than its factorization.

20535345532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137325 (or 137323 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 20535345532 in words is "twenty billion, five hundred thirty-five million, three hundred forty-five thousand, five hundred thirty-two".