202030201100320 has 24 divisors (see below), whose sum is σ = 477296350099884. Its totient is φ = 80812080440064.

The previous prime is 202030201100309. The next prime is 202030201100323. The reversal of 202030201100320 is 23001102030202.

It can be written as a sum of positive squares in 2 ways, for example, as 189942090674704 + 12088110425616 = 13781948^2 + 3476796^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 202030201100294 and 202030201100303.

It is not an unprimeable number, because it can be changed into a prime (202030201100323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631344378279 + ... + 631344378598.

Almost surely, 2^{202030201100320} is an apocalyptic number.

202030201100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202030201100320 is an abundant number, since it is smaller than the sum of its proper divisors (275266148999564).

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

202030201100320 is a wasteful number, since it uses less digits than its factorization.

202030201100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262688756892 (or 1262688756884 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202030201100320 its reverse (23001102030202), we get a palindrome (225031303130522).

The spelling of 202030201100320 in words is "two hundred two trillion, thirty billion, two hundred one million, one hundred thousand, three hundred twenty".