10204324221 has 64 divisors (see below), whose sum is σ = 17359372800. Its totient is φ = 5185990656.

The previous prime is 10204324181. The next prime is 10204324223. The reversal of 10204324221 is 12242340201.

It is not a de Polignac number, because 10204324221 - 2⁹ = 10204323709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204324223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4883745 + ... + 4885833.

It is an arithmetic number, because the mean of its divisors is an integer number (271240200).

Almost surely, 2^10204324221 is an apocalyptic number.

It is an amenable number.

10204324221 is a deficient number, since it is larger than the sum of its proper divisors (7155048579).

10204324221 is a wasteful number, since it uses less digits than its factorization.

10204324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10204324221 its reverse (12242340201), we get a palindrome (22446664422).

The spelling of 10204324221 in words is "ten billion, two hundred four million, three hundred twenty-four thousand, two hundred twenty-one".