1040203134220 has 96 divisors (see below), whose sum is σ = 2453827461120. Its totient is φ = 368073538560.

The previous prime is 1040203134193. The next prime is 1040203134253. The reversal of 1040203134220 is 224313020401.

It is a super-2 number, since 2×1040203134220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1040203134191 and 1040203134200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186475 + ... + 1454365.

It is an arithmetic number, because the mean of its divisors is an integer number (25560702720).

Almost surely, 2^{1040203134220} is an apocalyptic number.

1040203134220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040203134220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226913730560).

1040203134220 is an abundant number, since it is smaller than the sum of its proper divisors (1413624326900).

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

1040203134220 is a wasteful number, since it uses less digits than its factorization.

1040203134220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268063 (or 1268061 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1040203134220 its reverse (224313020401), we get a palindrome (1264516154621).

The spelling of 1040203134220 in words is "one trillion, forty billion, two hundred three million, one hundred thirty-four thousand, two hundred twenty".