20882449533 has 8 divisors (see below), whose sum is σ = 30374472096. Its totient is φ = 12656030000.

The previous prime is 20882449513. The next prime is 20882449541. The reversal of 20882449533 is 33594428802.

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 20882449533 - 2¹³ = 20882441341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882449513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316400718 + ... + 316400783.

It is an arithmetic number, because the mean of its divisors is an integer number (3796809012).

Almost surely, 2^20882449533 is an apocalyptic number.

It is an amenable number.

20882449533 is a deficient number, since it is larger than the sum of its proper divisors (9492022563).

20882449533 is a wasteful number, since it uses less digits than its factorization.

20882449533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632801515.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 20882449533 in words is "twenty billion, eight hundred eighty-two million, four hundred forty-nine thousand, five hundred thirty-three".