20824705132 has 48 divisors (see below), whose sum is σ = 45454606848. Its totient is φ = 8110149120.

The previous prime is 20824705129. The next prime is 20824705141. The reversal of 20824705132 is 23150742802.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 805633 + ... + 831079.

It is an arithmetic number, because the mean of its divisors is an integer number (946970976).

Almost surely, 2^20824705132 is an apocalyptic number.

20824705132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20824705132 is an abundant number, since it is smaller than the sum of its proper divisors (24629901716).

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

20824705132 is a wasteful number, since it uses less digits than its factorization.

20824705132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28126 (or 28124 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 20824705132 in words is "twenty billion, eight hundred twenty-four million, seven hundred five thousand, one hundred thirty-two".