20343369882 has 64 divisors (see below), whose sum is σ = 46747008000. Its totient is φ = 5837028480.

The previous prime is 20343369857. The next prime is 20343369883. The reversal of 20343369882 is 28896334302.

It is not an unprimeable number, because it can be changed into a prime (20343369883) 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 31 ways as a sum of consecutive naturals, for example, 3278619 + ... + 3284817.

It is an arithmetic number, because the mean of its divisors is an integer number (730422000).

Almost surely, 2^20343369882 is an apocalyptic number.

20343369882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20343369882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23373504000).

20343369882 is an abundant number, since it is smaller than the sum of its proper divisors (26403638118).

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

20343369882 is a wasteful number, since it uses less digits than its factorization.

20343369882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 20343369882 in words is "twenty billion, three hundred forty-three million, three hundred sixty-nine thousand, eight hundred eighty-two".