202001230320 has 80 divisors (see below), whose sum is σ = 646403960832. Its totient is φ = 52129347840.

The previous prime is 202001230309. The next prime is 202001230337. The reversal of 202001230320 is 23032100202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202001230320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13567912 + ... + 13582791.

Almost surely, 2^202001230320 is an apocalyptic number.

202001230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202001230320 is an abundant number, since it is smaller than the sum of its proper divisors (444402730512).

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

202001230320 is a wasteful number, since it uses less digits than its factorization.

202001230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27150750 (or 27150744 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202001230320 its reverse (23032100202), we get a palindrome (225033330522).

The spelling of 202001230320 in words is "two hundred two billion, one million, two hundred thirty thousand, three hundred twenty".