20303637882 has 16 divisors (see below), whose sum is σ = 44298846432. Its totient is φ = 6152617520.

The previous prime is 20303637881. The next prime is 20303637911. The reversal of 20303637882 is 28873630302.

It is a super-2 number, since 2×20303637882² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20303637881) 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 7 ways as a sum of consecutive naturals, for example, 153815373 + ... + 153815504.

It is an arithmetic number, because the mean of its divisors is an integer number (2768677902).

Almost surely, 2^20303637882 is an apocalyptic number.

20303637882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20303637882 is an abundant number, since it is smaller than the sum of its proper divisors (23995208550).

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

20303637882 is a wasteful number, since it uses less digits than its factorization.

20303637882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307630893.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 20303637882 in words is "twenty billion, three hundred three million, six hundred thirty-seven thousand, eight hundred eighty-two".