2081152920 has 256 divisors, whose sum is σ = 8242560000. Its totient is φ = 406978560.

The previous prime is 2081152877. The next prime is 2081152933. The reversal of 2081152920 is 292511802.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 150456 + ... + 163704.

It is an arithmetic number, because the mean of its divisors is an integer number (32197500).

Almost surely, 2^2081152920 is an apocalyptic number.

2081152920 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 2081152920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4121280000).

2081152920 is an abundant number, since it is smaller than the sum of its proper divisors (6161407080).

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

2081152920 is a wasteful number, since it uses less digits than its factorization.

2081152920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13298 (or 13294 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 2081152920 is about 45619.6549745830. The cubic root of 2081152920 is about 1276.7366661083.

The spelling of 2081152920 in words is "two billion, eighty-one million, one hundred fifty-two thousand, nine hundred twenty".