202000002320 has 80 divisors (see below), whose sum is σ = 475880099760. Its totient is φ = 79734423552.

The previous prime is 202000002319. The next prime is 202000002371. The reversal of 202000002320 is 23200000202.

It can be written as a sum of positive squares in 8 ways, for example, as 24331008256 + 177668994064 = 155984^2 + 421508^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021372 + ... + 2118948.

It is an arithmetic number, because the mean of its divisors is an integer number (5948501247).

Almost surely, 2^202000002320 is an apocalyptic number.

202000002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202000002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237940049880).

202000002320 is an abundant number, since it is smaller than the sum of its proper divisors (273880097440).

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

202000002320 is a wasteful number, since it uses less digits than its factorization.

202000002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97932 (or 97926 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 202000002320 its reverse (23200000202), we get a palindrome (225200002522).

The spelling of 202000002320 in words is "two hundred two billion, two thousand, three hundred twenty".