202050881000 has 64 divisors (see below), whose sum is σ = 473046210000. Its totient is φ = 80778105600.

The previous prime is 202050880973. The next prime is 202050881003. The reversal of 202050881000 is 188050202.

It can be written as a sum of positive squares in 8 ways, for example, as 40329475684 + 161721405316 = 200822^2 + 402146^2 .

It is a super-2 number, since 2×202050881000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202050881003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897166 + ... + 2000834.

Almost surely, 2^202050881000 is an apocalyptic number.

202050881000 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 202050881000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236523105000).

202050881000 is an abundant number, since it is smaller than the sum of its proper divisors (270995329000).

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

202050881000 is a wasteful number, since it uses less digits than its factorization.

202050881000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105639 (or 105625 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 202050881000 in words is "two hundred two billion, fifty million, eight hundred eighty-one thousand".