20310000320 has 28 divisors (see below), whose sum is σ = 48363189024. Its totient is φ = 8124000000.

The previous prime is 20310000313. The next prime is 20310000329. The reversal of 20310000320 is 2300001302.

It is a super-3 number, since 3×20310000320³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20310000329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31734056 + ... + 31734695.

Almost surely, 2^20310000320 is an apocalyptic number.

20310000320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310000320 is an abundant number, since it is smaller than the sum of its proper divisors (28053188704).

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

20310000320 is an equidigital number, since it uses as much as digits as its factorization.

20310000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63468768 (or 63468758 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20310000320 its reverse (2300001302), we get a palindrome (22610001622).

The spelling of 20310000320 in words is "twenty billion, three hundred ten million, three hundred twenty", and thus it is an aban number.