10020050104520 has 32 divisors (see below), whose sum is σ = 22545545496120. Its totient is φ = 4007943106560.

The previous prime is 10020050104517. The next prime is 10020050104541. The reversal of 10020050104520 is 2540105002001.

It can be written as a sum of positive squares in 4 ways, for example, as 7657318358596 + 2362731745924 = 2767186^2 + 1537118^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10020050104492 and 10020050104501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270971 + ... + 4484810.

Almost surely, 2^{10020050104520} is an apocalyptic number.

10020050104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020050104520 is an abundant number, since it is smaller than the sum of its proper divisors (12525495391600).

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

10020050104520 is a wasteful number, since it uses less digits than its factorization.

10020050104520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808465 (or 4808461 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 10020050104520 its reverse (2540105002001), we get a palindrome (12560155106521).

The spelling of 10020050104520 in words is "ten trillion, twenty billion, fifty million, one hundred four thousand, five hundred twenty".