2000891032 has 64 divisors (see below), whose sum is σ = 4545699840. Its totient is φ = 807408000.

The previous prime is 2000891029. The next prime is 2000891059. The reversal of 2000891032 is 2301980002.

It is a junction number, because it is equal to n+sod(n) for n = 2000890988 and 2000891006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48657 + ... + 79807.

It is an arithmetic number, because the mean of its divisors is an integer number (71026560).

Almost surely, 2^2000891032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000891032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272849920).

2000891032 is an abundant number, since it is smaller than the sum of its proper divisors (2544808808).

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

2000891032 is a wasteful number, since it uses less digits than its factorization.

2000891032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31232 (or 31228 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2000891032 is about 44731.3204812914. The cubic root of 2000891032 is about 1260.1081271111.

The spelling of 2000891032 in words is "two billion, eight hundred ninety-one thousand, thirty-two".