200871020 has 24 divisors (see below), whose sum is σ = 482090784. Its totient is φ = 68870016.

The previous prime is 200871019. The next prime is 200871037. The reversal of 200871020 is 20178002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 200870983 and 200871001.

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, 717257 + ... + 717536.

It is an arithmetic number, because the mean of its divisors is an integer number (20087116).

Almost surely, 2^200871020 is an apocalyptic number.

200871020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200871020 is an abundant number, since it is smaller than the sum of its proper divisors (281219764).

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

200871020 is a wasteful number, since it uses less digits than its factorization.

200871020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434809 (or 1434807 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 200871020 is about 14172.8973749195. The cubic root of 200871020 is about 585.6512774917.

The spelling of 200871020 in words is "two hundred million, eight hundred seventy-one thousand, twenty".