10401322420 has 24 divisors (see below), whose sum is σ = 21844696104. Its totient is φ = 4160163456.

The previous prime is 10401322397. The next prime is 10401322441. The reversal of 10401322420 is 2422310401.

It can be written as a sum of positive squares in 4 ways, for example, as 38489616 + 10362832804 = 6204^2 + 101798^2 .

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, 417762 + ... + 441958.

It is an arithmetic number, because the mean of its divisors is an integer number (910195671).

Almost surely, 2^10401322420 is an apocalyptic number.

10401322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401322420 is an abundant number, since it is smaller than the sum of its proper divisors (11443373684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10401322420 is a wasteful number, since it uses less digits than its factorization.

10401322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45699 (or 45697 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10401322420 its reverse (2422310401), we get a palindrome (12823632821).

The spelling of 10401322420 in words is "ten billion, four hundred one million, three hundred twenty-two thousand, four hundred twenty".