20300586984 has 128 divisors (see below), whose sum is σ = 57039292800. Its totient is φ = 6689295360.

The previous prime is 20300586949. The next prime is 20300586997. The reversal of 20300586984 is 48968500302.

It is a super-2 number, since 2×20300586984² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 20361174 + ... + 20362170.

It is an arithmetic number, because the mean of its divisors is an integer number (445619475).

Almost surely, 2^20300586984 is an apocalyptic number.

20300586984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300586984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28519646400).

20300586984 is an abundant number, since it is smaller than the sum of its proper divisors (36738705816).

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

20300586984 is a wasteful number, since it uses less digits than its factorization.

20300586984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 20300586984 in words is "twenty billion, three hundred million, five hundred eighty-six thousand, nine hundred eighty-four".