10213240520 has 48 divisors (see below), whose sum is σ = 26731598940. Its totient is φ = 3501681792.

The previous prime is 10213240519. The next prime is 10213240547. The reversal of 10213240520 is 2504231201.

It can be written as a sum of positive squares in 2 ways, for example, as 9944477284 + 268763236 = 99722^2 + 16394^2 .

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 = 10213240492 and 10213240501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2603459 + ... + 2607378.

Almost surely, 2^10213240520 is an apocalyptic number.

10213240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10213240520 is an abundant number, since it is smaller than the sum of its proper divisors (16518358420).

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

10213240520 is a wasteful number, since it uses less digits than its factorization.

10213240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210862 (or 5210851 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 10213240520 its reverse (2504231201), we get a palindrome (12717471721).

The spelling of 10213240520 in words is "ten billion, two hundred thirteen million, two hundred forty thousand, five hundred twenty".