202135050 has 144 divisors (see below), whose sum is σ = 592071480. Its totient is φ = 49144320.

The previous prime is 202135027. The next prime is 202135061. The reversal of 202135050 is 50531202.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2732409 + 199402641 = 1653^2 + 14121^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 637492 + ... + 637808.

Almost surely, 2^202135050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202135050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296035740).

202135050 is an abundant number, since it is smaller than the sum of its proper divisors (389936430).

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

202135050 is a wasteful number, since it uses less digits than its factorization.

202135050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 202135050 is about 14217.4206521436. The cubic root of 202135050 is about 586.8771609647.

Adding to 202135050 its reverse (50531202), we get a palindrome (252666252).

The spelling of 202135050 in words is "two hundred two million, one hundred thirty-five thousand, fifty".