20000302120320 has 128 divisors (see below), whose sum is σ = 63955951937280. Its totient is φ = 5316264499200.

The previous prime is 20000302120319. The next prime is 20000302120339. The reversal of 20000302120320 is 2302120300002.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20000302120320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16150186 + ... + 17344425.

It is an arithmetic number, because the mean of its divisors is an integer number (499655874510).

Almost surely, 2^{20000302120320} is an apocalyptic number.

20000302120320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000302120320 is an abundant number, since it is smaller than the sum of its proper divisors (43955649816960).

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

20000302120320 is a wasteful number, since it uses less digits than its factorization.

20000302120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33494944 (or 33494932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20000302120320 its reverse (2302120300002), we get a palindrome (22302422420322).

The spelling of 20000302120320 in words is "twenty trillion, three hundred two million, one hundred twenty thousand, three hundred twenty".