10020000204320 has 48 divisors (see below), whose sum is σ = 23672445832728. Its totient is φ = 4007967006720.

The previous prime is 10020000204299. The next prime is 10020000204329. The reversal of 10020000204320 is 2340200002001.

It can be written as a sum of positive squares in 4 ways, for example, as 8716028053264 + 1303972151056 = 2952292^2 + 1141916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10020000204295 and 10020000204304.

It is not an unprimeable number, because it can be changed into a prime (10020000204329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30881330 + ... + 31204110.

Almost surely, 2^{10020000204320} is an apocalyptic number.

10020000204320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020000204320 is an abundant number, since it is smaller than the sum of its proper divisors (13652445628408).

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

10020000204320 is a wasteful number, since it uses less digits than its factorization.

10020000204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516813 (or 516805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 10020000204320 its reverse (2340200002001), we get a palindrome (12360200206321).

The spelling of 10020000204320 in words is "ten trillion, twenty billion, two hundred four thousand, three hundred twenty".