20000002320 has 60 divisors (see below), whose sum is σ = 67166676876. Its totient is φ = 5333333760.

The previous prime is 20000002313. The next prime is 20000002339. The reversal of 20000002320 is 2320000002.

It can be written as a sum of positive squares in 2 ways, for example, as 4256779536 + 15743222784 = 65244^2 + 125472^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13888171 + ... + 13889610.

Almost surely, 2^20000002320 is an apocalyptic number.

20000002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000002320 is an abundant number, since it is smaller than the sum of its proper divisors (47166674556).

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

20000002320 is a wasteful number, since it uses less digits than its factorization.

20000002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777800 (or 27777791 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20000002320 its reverse (2320000002), we get a palindrome (22320002322).

The spelling of 20000002320 in words is "twenty billion, two thousand, three hundred twenty".