1240322201020 has 36 divisors (see below), whose sum is σ = 3029929950600. Its totient is φ = 425253325728.

The previous prime is 1240322201009. The next prime is 1240322201021. The reversal of 1240322201020 is 201022230421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240322201021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632816470 + ... + 632818429.

It is an arithmetic number, because the mean of its divisors is an integer number (84164720850).

Almost surely, 2^{1240322201020} is an apocalyptic number.

1240322201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240322201020 is an abundant number, since it is smaller than the sum of its proper divisors (1789607749580).

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

1240322201020 is a wasteful number, since it uses less digits than its factorization.

1240322201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265634922 (or 1265634913 counting only the distinct ones).

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

Adding to 1240322201020 its reverse (201022230421), we get a palindrome (1441344431441).

The spelling of 1240322201020 in words is "one trillion, two hundred forty billion, three hundred twenty-two million, two hundred one thousand, twenty".