1000022340420 has 120 divisors (see below), whose sum is σ = 3245283379800. Its totient is φ = 257477004288.

The previous prime is 1000022340403. The next prime is 1000022340437. The reversal of 1000022340420 is 240432200001.

1000022340420 is a `hidden beast` number, since 10 + 0 + 0 + 0 + 2 + 234 + 0 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (1000022340403) and next prime (1000022340437).

It can be written as a sum of positive squares in 4 ways, for example, as 111176898624 + 888845441796 = 333432^2 + 942786^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1000022340393 and 1000022340402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10596085 + ... + 10690044.

It is an arithmetic number, because the mean of its divisors is an integer number (27044028165).

Almost surely, 2^{1000022340420} is an apocalyptic number.

1000022340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000022340420 is an abundant number, since it is smaller than the sum of its proper divisors (2245261039380).

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

1000022340420 is a wasteful number, since it uses less digits than its factorization.

1000022340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286179 (or 21286168 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1000022340420 its reverse (240432200001), we get a palindrome (1240454540421).

The spelling of 1000022340420 in words is "one trillion, twenty-two million, three hundred forty thousand, four hundred twenty".