10024200421 has 8 divisors (see below), whose sum is σ = 10216598040. Its totient is φ = 9831923712.

The previous prime is 10024200419. The next prime is 10024200451. The reversal of 10024200421 is 12400242001.

It can be written as a sum of positive squares in 4 ways, for example, as 4370664321 + 5653536100 = 66111^2 + 75190^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10024200421 - 2¹ = 10024200419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10024200395 and 10024200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10024200451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147045 + ... + 204133.

It is an arithmetic number, because the mean of its divisors is an integer number (1277074755).

Almost surely, 2^10024200421 is an apocalyptic number.

It is an amenable number.

10024200421 is a deficient number, since it is larger than the sum of its proper divisors (192397619).

10024200421 is an equidigital number, since it uses as much as digits as its factorization.

10024200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60455.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10024200421 its reverse (12400242001), we get a palindrome (22424442422).

The spelling of 10024200421 in words is "ten billion, twenty-four million, two hundred thousand, four hundred twenty-one".