20312848032 has 96 divisors (see below), whose sum is σ = 54566555904. Its totient is φ = 6613401600.

The previous prime is 20312848027. The next prime is 20312848033. The reversal of 20312848032 is 23084821302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20312848032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20312847984 and 20312848002.

It is not an unprimeable number, because it can be changed into a prime (20312848033) 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 15 ways as a sum of consecutive naturals, for example, 2346432 + ... + 2355072.

It is an arithmetic number, because the mean of its divisors is an integer number (568401624).

Almost surely, 2^20312848032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20312848032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27283277952).

20312848032 is an abundant number, since it is smaller than the sum of its proper divisors (34253707872).

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

20312848032 is a wasteful number, since it uses less digits than its factorization.

20312848032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9222 (or 9214 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 20312848032 in words is "twenty billion, three hundred twelve million, eight hundred forty-eight thousand, thirty-two".