2020161814320 has 160 divisors (see below), whose sum is σ = 6749502504192. Its totient is φ = 496882031616.

The previous prime is 2020161814273. The next prime is 2020161814327. The reversal of 2020161814320 is 234181610202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2020161814327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3750627 + ... + 4255293.

Almost surely, 2^{2020161814320} is an apocalyptic number.

2020161814320 is a gapful number since it is divisible by the number (20) 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 2020161814320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3374751252096).

2020161814320 is an abundant number, since it is smaller than the sum of its proper divisors (4729340689872).

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

2020161814320 is a wasteful number, since it uses less digits than its factorization.

2020161814320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505979 (or 505973 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 2020161814320 in words is "two trillion, twenty billion, one hundred sixty-one million, eight hundred fourteen thousand, three hundred twenty".