10020212520 has 64 divisors (see below), whose sum is σ = 30370576320. Its totient is φ = 2644506624.

The previous prime is 10020212509. The next prime is 10020212567. The reversal of 10020212520 is 2521202001.

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 10020212520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418782 + ... + 442061.

It is an arithmetic number, because the mean of its divisors is an integer number (474540255).

Almost surely, 2^10020212520 is an apocalyptic number.

10020212520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020212520 is an abundant number, since it is smaller than the sum of its proper divisors (20350363800).

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

10020212520 is a wasteful number, since it uses less digits than its factorization.

10020212520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860954 (or 860950 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 10020212520 its reverse (2521202001), we get a palindrome (12541414521).

The spelling of 10020212520 in words is "ten billion, twenty million, two hundred twelve thousand, five hundred twenty".