20492308032 has 168 divisors, whose sum is σ = 66391475040. Its totient is φ = 5546741760.

The previous prime is 20492308027. The next prime is 20492308033. The reversal of 20492308032 is 23080329402.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 20492307984 and 20492308002.

It is not an unprimeable number, because it can be changed into a prime (20492308033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121432 + ... + 236072.

Almost surely, 2^20492308032 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 20492308032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33195737520).

20492308032 is an abundant number, since it is smaller than the sum of its proper divisors (45899167008).

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

20492308032 is a wasteful number, since it uses less digits than its factorization.

20492308032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114689 (or 114672 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20492308032 in words is "twenty billion, four hundred ninety-two million, three hundred eight thousand, thirty-two".