2020871600 has 120 divisors (see below), whose sum is σ = 5608288368. Its totient is φ = 691609600.

The previous prime is 2020871581. The next prime is 2020871603. The reversal of 2020871600 is 61780202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020871600.

It is not an unprimeable number, because it can be changed into a prime (2020871603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61292 + ... + 88308.

Almost surely, 2^2020871600 is an apocalyptic number.

2020871600 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 2020871600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804144184).

2020871600 is an abundant number, since it is smaller than the sum of its proper divisors (3587416768).

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

2020871600 is a wasteful number, since it uses less digits than its factorization.

2020871600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27063 (or 27052 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2020871600 is about 44954.1054854837. The cubic root of 2020871600 is about 1264.2886531656.

The spelling of 2020871600 in words is "two billion, twenty million, eight hundred seventy-one thousand, six hundred".