10422421323220 has 12 divisors (see below), whose sum is σ = 21887084778804. Its totient is φ = 4168968529280.

The previous prime is 10422421323151. The next prime is 10422421323239. The reversal of 10422421323220 is 2232312422401.

It can be written as a sum of positive squares in 2 ways, for example, as 3578400255556 + 6844021067664 = 1891666^2 + 2616108^2 .

It is a super-2 number, since 2×10422421323220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260560533061 + ... + 260560533100.

It is an arithmetic number, because the mean of its divisors is an integer number (1823923731567).

Almost surely, 2^{10422421323220} is an apocalyptic number.

10422421323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10422421323220 is an abundant number, since it is smaller than the sum of its proper divisors (11464663455584).

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

10422421323220 is a wasteful number, since it uses less digits than its factorization.

10422421323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521121066170 (or 521121066168 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10422421323220 its reverse (2232312422401), we get a palindrome (12654733745621).

The spelling of 10422421323220 in words is "ten trillion, four hundred twenty-two billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty".