2065397896320 has 256 divisors, whose sum is σ = 7194615696000. Its totient is φ = 499819642880.

The previous prime is 2065397896313. The next prime is 2065397896333. The reversal of 2065397896320 is 236987935602.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11931346 + ... + 12103214.

Almost surely, 2^{2065397896320} is an apocalyptic number.

2065397896320 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 2065397896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597307848000).

2065397896320 is an abundant number, since it is smaller than the sum of its proper divisors (5129217799680).

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

2065397896320 is a wasteful number, since it uses less digits than its factorization.

2065397896320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172471 (or 172459 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 2065397896320 in words is "two trillion, sixty-five billion, three hundred ninety-seven million, eight hundred ninety-six thousand, three hundred twenty".