1240043132020 has 96 divisors (see below), whose sum is σ = 3247096801536. Its totient is φ = 386454758400.

The previous prime is 1240043131961. The next prime is 1240043132059. The reversal of 1240043132020 is 202313400421.

It is a super-2 number, since 2×1240043132020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1240043131982 and 1240043132000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12258850 + ... + 12359590.

It is an arithmetic number, because the mean of its divisors is an integer number (33823925016).

Almost surely, 2^{1240043132020} is an apocalyptic number.

1240043132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240043132020 is an abundant number, since it is smaller than the sum of its proper divisors (2007053669516).

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

1240043132020 is a wasteful number, since it uses less digits than its factorization.

1240043132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108761 (or 108759 counting only the distinct ones).

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

Adding to 1240043132020 its reverse (202313400421), we get a palindrome (1442356532441).

The spelling of 1240043132020 in words is "one trillion, two hundred forty billion, forty-three million, one hundred thirty-two thousand, twenty".