2020287731280 has 320 divisors, whose sum is σ = 7709947865088. Its totient is φ = 426160465920.

The previous prime is 2020287731251. The next prime is 2020287731303. The reversal of 2020287731280 is 821377820202.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133019847 + ... + 133035033.

Almost surely, 2^{2020287731280} is an apocalyptic number.

2020287731280 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 2020287731280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854973932544).

2020287731280 is an abundant number, since it is smaller than the sum of its proper divisors (5689660133808).

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

2020287731280 is a wasteful number, since it uses less digits than its factorization.

2020287731280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21314 (or 21308 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 2020287731280 in words is "two trillion, twenty billion, two hundred eighty-seven million, seven hundred thirty-one thousand, two hundred eighty".