10217340520 has 16 divisors (see below), whose sum is σ = 22989016260. Its totient is φ = 4086936192.

The previous prime is 10217340457. The next prime is 10217340541. The reversal of 10217340520 is 2504371201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9859298436 + 358042084 = 99294^2 + 18922^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127716717 + ... + 127716796.

Almost surely, 2^10217340520 is an apocalyptic number.

10217340520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10217340520 is an abundant number, since it is smaller than the sum of its proper divisors (12771675740).

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

10217340520 is a wasteful number, since it uses less digits than its factorization.

10217340520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255433524 (or 255433520 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 10217340520 in words is "ten billion, two hundred seventeen million, three hundred forty thousand, five hundred twenty".