10205530001 has 4 divisors (see below), whose sum is σ = 10442867952. Its totient is φ = 9968192052.

The previous prime is 10205529977. The next prime is 10205530009. The reversal of 10205530001 is 10003550201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10205530001 - 2³⁰ = 9131788177 is a prime.

It is a super-2 number, since 2×10205530001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10205530009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118668911 + ... + 118668996.

It is an arithmetic number, because the mean of its divisors is an integer number (2610716988).

Almost surely, 2^10205530001 is an apocalyptic number.

It is an amenable number.

10205530001 is a deficient number, since it is larger than the sum of its proper divisors (237337951).

10205530001 is an equidigital number, since it uses as much as digits as its factorization.

10205530001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237337950.

The product of its (nonzero) digits is 150, while the sum is 17.

The spelling of 10205530001 in words is "ten billion, two hundred five million, five hundred thirty thousand, one".