2021077486320 has 320 divisors, whose sum is σ = 7019653570560. Its totient is φ = 478033920000.

The previous prime is 2021077486297. The next prime is 2021077486369. The reversal of 2021077486320 is 236847701202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14738070 + ... + 14874570.

It is an arithmetic number, because the mean of its divisors is an integer number (21936417408).

Almost surely, 2^{2021077486320} is an apocalyptic number.

2021077486320 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 2021077486320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3509826785280).

2021077486320 is an abundant number, since it is smaller than the sum of its proper divisors (4998576084240).

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

2021077486320 is a wasteful number, since it uses less digits than its factorization.

2021077486320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136744 (or 136738 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 2021077486320 in words is "two trillion, twenty-one billion, seventy-seven million, four hundred eighty-six thousand, three hundred twenty".