10420214125 has 8 divisors (see below), whose sum is σ = 13004427384. Its totient is φ = 8336171200.

The previous prime is 10420214113. The next prime is 10420214149. The reversal of 10420214125 is 52141202401.

It can be written as a sum of positive squares in 4 ways, for example, as 78747876 + 10341466249 = 8874^2 + 101693^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10420214125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10420214096 and 10420214105.

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, 41680732 + ... + 41680981.

It is an arithmetic number, because the mean of its divisors is an integer number (1625553423).

Almost surely, 2^10420214125 is an apocalyptic number.

It is an amenable number.

10420214125 is a deficient number, since it is larger than the sum of its proper divisors (2584213259).

10420214125 is an frugal number, since it uses more digits than its factorization.

10420214125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83361728 (or 83361718 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 10420214125 its reverse (52141202401), we get a palindrome (62561416526).

The spelling of 10420214125 in words is "ten billion, four hundred twenty million, two hundred fourteen thousand, one hundred twenty-five".