2011023032320 has 120 divisors (see below), whose sum is σ = 4982001631488. Its totient is φ = 778459545600.

The previous prime is 2011023032251. The next prime is 2011023032357. The reversal of 2011023032320 is 232303201102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143575 + ... + 2935465.

Almost surely, 2^{2011023032320} is an apocalyptic number.

2011023032320 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 2011023032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491000815744).

2011023032320 is an abundant number, since it is smaller than the sum of its proper divisors (2970978599168).

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

2011023032320 is an frugal number, since it uses more digits than its factorization.

2011023032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791955 (or 791929 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2011023032320 its reverse (232303201102), we get a palindrome (2243326233422).

The spelling of 2011023032320 in words is "two trillion, eleven billion, twenty-three million, thirty-two thousand, three hundred twenty".