202631242 has 16 divisors (see below), whose sum is σ = 345995712. Its totient is φ = 88100320.

The previous prime is 202631239. The next prime is 202631293. The reversal of 202631242 is 242136202.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 199723 + ... + 200734.

It is an arithmetic number, because the mean of its divisors is an integer number (21624732).

Almost surely, 2^202631242 is an apocalyptic number.

202631242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202631242 is a deficient number, since it is larger than the sum of its proper divisors (143364470).

202631242 is a wasteful number, since it uses less digits than its factorization.

202631242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400493.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 202631242 is about 14234.8600976617. The cubic root of 202631242 is about 587.3569817557.

Adding to 202631242 its reverse (242136202), we get a palindrome (444767444).

The spelling of 202631242 in words is "two hundred two million, six hundred thirty-one thousand, two hundred forty-two".