202081050 has 144 divisors (see below), whose sum is σ = 570599640. Its totient is φ = 51217920.

The previous prime is 202081049. The next prime is 202081051. The reversal of 202081050 is 50180202.

It is an interprime number because it is at equal distance from previous prime (202081049) and next prime (202081051).

It can be written as a sum of positive squares in 12 ways, for example, as 114639849 + 87441201 = 10707^2 + 9351^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202081051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 882336 + ... + 882564.

Almost surely, 2^202081050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202081050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285299820).

202081050 is an abundant number, since it is smaller than the sum of its proper divisors (368518590).

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

202081050 is a wasteful number, since it uses less digits than its factorization.

202081050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 202081050 is about 14215.5214466442. The cubic root of 202081050 is about 586.8248952655.

The spelling of 202081050 in words is "two hundred two million, eighty-one thousand, fifty".