20213320584 has 96 divisors (see below), whose sum is σ = 51538576320. Its totient is φ = 6606255744.

The previous prime is 20213320573. The next prime is 20213320591. The reversal of 20213320584 is 48502331202.

It is an unprimeable number.

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, 40185277 + ... + 40185779.

It is an arithmetic number, because the mean of its divisors is an integer number (536860170).

Almost surely, 2^20213320584 is an apocalyptic number.

20213320584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20213320584 is an abundant number, since it is smaller than the sum of its proper divisors (31325255736).

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

20213320584 is a wasteful number, since it uses less digits than its factorization.

20213320584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20213320584 its reverse (48502331202), we get a palindrome (68715651786).

The spelling of 20213320584 in words is "twenty billion, two hundred thirteen million, three hundred twenty thousand, five hundred eighty-four".