10506020535 has 24 divisors (see below), whose sum is σ = 18228491424. Its totient is φ = 5597655360.

The previous prime is 10506020533. The next prime is 10506020549. The reversal of 10506020535 is 53502060501.

10506020535 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 602 + 0 + 53 + 5 = 666.

It is not a de Polignac number, because 10506020535 - 2¹ = 10506020533 is a prime.

It is a super-2 number, since 2×10506020535² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10506020499 and 10506020508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506020533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69651 + ... + 160820.

It is an arithmetic number, because the mean of its divisors is an integer number (759520476).

Almost surely, 2^10506020535 is an apocalyptic number.

10506020535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10506020535 is a deficient number, since it is larger than the sum of its proper divisors (7722470889).

10506020535 is a wasteful number, since it uses less digits than its factorization.

10506020535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231495 (or 231492 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 10506020535 in words is "ten billion, five hundred six million, twenty thousand, five hundred thirty-five".