202126630 has 16 divisors (see below), whose sum is σ = 370693584. Its totient is φ = 79324960.

The previous prime is 202126627. The next prime is 202126633. The reversal of 202126630 is 36621202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202126627) and next prime (202126633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202126633) 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 7 ways as a sum of consecutive naturals, for example, 190156 + ... + 191215.

It is an arithmetic number, because the mean of its divisors is an integer number (23168349).

Almost surely, 2^202126630 is an apocalyptic number.

202126630 is a deficient number, since it is larger than the sum of its proper divisors (168566954).

202126630 is a wasteful number, since it uses less digits than its factorization.

202126630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381431.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 202126630 is about 14217.1245334632. The cubic root of 202126630 is about 586.8690119998.

Adding to 202126630 its reverse (36621202), we get a palindrome (238747832).

The spelling of 202126630 in words is "two hundred two million, one hundred twenty-six thousand, six hundred thirty".