10213220535 has 32 divisors (see below), whose sum is σ = 18811948032. Its totient is φ = 4634814720.

The previous prime is 10213220533. The next prime is 10213220557. The reversal of 10213220535 is 53502231201.

It is a happy number.

It is not a de Polignac number, because 10213220535 - 2¹ = 10213220533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213220533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340611 + ... + 369380.

It is an arithmetic number, because the mean of its divisors is an integer number (587873376).

Almost surely, 2^10213220535 is an apocalyptic number.

10213220535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10213220535 is a deficient number, since it is larger than the sum of its proper divisors (8598727497).

10213220535 is a wasteful number, since it uses less digits than its factorization.

10213220535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710143.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 10213220535 its reverse (53502231201), we get a palindrome (63715451736).

The spelling of 10213220535 in words is "ten billion, two hundred thirteen million, two hundred twenty thousand, five hundred thirty-five".