10213545520 has 40 divisors (see below), whose sum is σ = 23788187280. Its totient is φ = 4078245120.

The previous prime is 10213545469. The next prime is 10213545521. The reversal of 10213545520 is 2554531201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10213545520² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10213545521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66115 + ... + 157474.

It is an arithmetic number, because the mean of its divisors is an integer number (594704682).

Almost surely, 2^10213545520 is an apocalyptic number.

10213545520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10213545520 is an abundant number, since it is smaller than the sum of its proper divisors (13574641760).

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

10213545520 is a wasteful number, since it uses less digits than its factorization.

10213545520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224173 (or 224167 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 10213545520 in words is "ten billion, two hundred thirteen million, five hundred forty-five thousand, five hundred twenty".