20340522884 has 24 divisors (see below), whose sum is σ = 40875693600. Its totient is φ = 8759076480.

The previous prime is 20340522871. The next prime is 20340522911. The reversal of 20340522884 is 48822504302.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 7 ways as a sum of consecutive naturals, for example, 12164549 + ... + 12166220.

It is an arithmetic number, because the mean of its divisors is an integer number (1703153900).

Almost surely, 2^20340522884 is an apocalyptic number.

It is an amenable number.

20340522884 is an abundant number, since it is smaller than the sum of its proper divisors (20535170716).

20340522884 is a wasteful number, since it uses less digits than its factorization.

20340522884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24330803 (or 24330801 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 20340522884 in words is "twenty billion, three hundred forty million, five hundred twenty-two thousand, eight hundred eighty-four".