10420321401 has 48 divisors (see below), whose sum is σ = 17600563968. Its totient is φ = 5817744000.

The previous prime is 10420321391. The next prime is 10420321463. The reversal of 10420321401 is 10412302401.

It is not a de Polignac number, because 10420321401 - 2⁶ = 10420321337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10420321481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 571315 + ... + 589271.

It is an arithmetic number, because the mean of its divisors is an integer number (366678416).

Almost surely, 2^10420321401 is an apocalyptic number.

It is an amenable number.

10420321401 is a deficient number, since it is larger than the sum of its proper divisors (7180242567).

10420321401 is a wasteful number, since it uses less digits than its factorization.

10420321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18182 (or 18179 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10420321401 its reverse (10412302401), we get a palindrome (20832623802).

The spelling of 10420321401 in words is "ten billion, four hundred twenty million, three hundred twenty-one thousand, four hundred one".