20824835152 has 40 divisors (see below), whose sum is σ = 44337465792. Its totient is φ = 9396729600.

The previous prime is 20824835147. The next prime is 20824835197. The reversal of 20824835152 is 25153842802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407724 + ... + 455947.

Almost surely, 2^20824835152 is an apocalyptic number.

20824835152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20824835152 is an abundant number, since it is smaller than the sum of its proper divisors (23512630640).

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

20824835152 is a wasteful number, since it uses less digits than its factorization.

20824835152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863827 (or 863821 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 20824835152 in words is "twenty billion, eight hundred twenty-four million, eight hundred thirty-five thousand, one hundred fifty-two".