9102201020 has 24 divisors (see below), whose sum is σ = 20852315568. Its totient is φ = 3309891200.

The previous prime is 9102201011. The next prime is 9102201037. The reversal of 9102201020 is 201022019.

It is a self number, because there is not a number n which added to its sum of digits gives 9102201020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20686601 + ... + 20687040.

It is an arithmetic number, because the mean of its divisors is an integer number (868846482).

Almost surely, 2^9102201020 is an apocalyptic number.

It is an amenable number.

9102201020 is an abundant number, since it is smaller than the sum of its proper divisors (11750114548).

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

9102201020 is a wasteful number, since it uses less digits than its factorization.

9102201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41373661 (or 41373659 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 9102201020 is about 95405.4559236525. The cubic root of 9102201020 is about 2087.9277874523.

Adding to 9102201020 its reverse (201022019), we get a palindrome (9303223039).

The spelling of 9102201020 in words is "nine billion, one hundred two million, two hundred one thousand, twenty".