20130443021140 has 24 divisors (see below), whose sum is σ = 42684356856960. Its totient is φ = 7974000729888.

The previous prime is 20130443021137. The next prime is 20130443021179. The reversal of 20130443021140 is 4112034403102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4886027800 + ... + 4886031919.

It is an arithmetic number, because the mean of its divisors is an integer number (1778514869040).

Almost surely, 2^{20130443021140} is an apocalyptic number.

20130443021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130443021140 is an abundant number, since it is smaller than the sum of its proper divisors (22553913835820).

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

20130443021140 is a wasteful number, since it uses less digits than its factorization.

20130443021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772059831 (or 9772059829 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20130443021140 its reverse (4112034403102), we get a palindrome (24242477424242).

The spelling of 20130443021140 in words is "twenty trillion, one hundred thirty billion, four hundred forty-three million, twenty-one thousand, one hundred forty".