10020003201 has 48 divisors (see below), whose sum is σ = 16633903104. Its totient is φ = 5757599232.

The previous prime is 10020003151. The next prime is 10020003209. The reversal of 10020003201 is 10230002001.

It is a happy number.

It is not a de Polignac number, because 10020003201 - 2¹¹ = 10020001153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10020003209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232770 + ... + 272436.

It is an arithmetic number, because the mean of its divisors is an integer number (346539648).

Almost surely, 2^10020003201 is an apocalyptic number.

It is an amenable number.

10020003201 is a deficient number, since it is larger than the sum of its proper divisors (6613899903).

10020003201 is a wasteful number, since it uses less digits than its factorization.

10020003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39830 (or 39827 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10020003201 its reverse (10230002001), we get a palindrome (20250005202).

The spelling of 10020003201 in words is "ten billion, twenty million, three thousand, two hundred one".