202030320 has 40 divisors (see below), whose sum is σ = 626294736. Its totient is φ = 53874688.

The previous prime is 202030313. The next prime is 202030331. The reversal of 202030320 is 23030202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202030296 and 202030305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420657 + ... + 421136.

Almost surely, 2^202030320 is an apocalyptic number.

202030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202030320 is an abundant number, since it is smaller than the sum of its proper divisors (424264416).

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

202030320 is a wasteful number, since it uses less digits than its factorization.

202030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841809 (or 841803 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 202030320 is about 14213.7370174068. The cubic root of 202030320 is about 586.7757860617.

Adding to 202030320 its reverse (23030202), we get a palindrome (225060522).

The spelling of 202030320 in words is "two hundred two million, thirty thousand, three hundred twenty".