2020393393920 has 720 divisors, whose sum is σ = 8229549791232. Its totient is φ = 468490936320.

The previous prime is 2020393393903. The next prime is 2020393393973. The reversal of 2020393393920 is 293933930202.

It is a happy number.

2020393393920 is a `hidden beast` number, since 20 + 203 + 9 + 3 + 39 + 392 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26192529 + ... + 26269551.

Almost surely, 2^{2020393393920} is an apocalyptic number.

2020393393920 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 2020393393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4114774895616).

2020393393920 is an abundant number, since it is smaller than the sum of its proper divisors (6209156397312).

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

2020393393920 is a wasteful number, since it uses less digits than its factorization.

2020393393920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77090 (or 77067 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 45.

The spelling of 2020393393920 in words is "two trillion, twenty billion, three hundred ninety-three million, three hundred ninety-three thousand, nine hundred twenty".