202420312 has 16 divisors (see below), whose sum is σ = 379995840. Its totient is φ = 101088096.

The previous prime is 202420301. The next prime is 202420331. The reversal of 202420312 is 213024202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8008 + ... + 21655.

It is an arithmetic number, because the mean of its divisors is an integer number (23749740).

Almost surely, 2^202420312 is an apocalyptic number.

It is an amenable number.

202420312 is a deficient number, since it is larger than the sum of its proper divisors (177575528).

202420312 is a wasteful number, since it uses less digits than its factorization.

202420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30522 (or 30518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 202420312 is about 14227.4492443305. The cubic root of 202420312 is about 587.1531069399.

Adding to 202420312 its reverse (213024202), we get a palindrome (415444514).

The spelling of 202420312 in words is "two hundred two million, four hundred twenty thousand, three hundred twelve".