20242043543040 has 320 divisors, whose sum is σ = 72502087426560. Its totient is φ = 4774535331840.

The previous prime is 20242043543023. The next prime is 20242043543069. The reversal of 20242043543040 is 4034534024202.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20242043542992 and 20242043543010.

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, 112180 + ... + 6363699.

It is an arithmetic number, because the mean of its divisors is an integer number (226569023208).

Almost surely, 2^{20242043543040} is an apocalyptic number.

20242043543040 is a gapful number since it is divisible by the number (20) 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 20242043543040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36251043713280).

20242043543040 is an abundant number, since it is smaller than the sum of its proper divisors (52260043883520).

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

20242043543040 is a wasteful number, since it uses less digits than its factorization.

20242043543040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475953 (or 6475937 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 20242043543040 its reverse (4034534024202), we get a palindrome (24276577567242).

The spelling of 20242043543040 in words is "twenty trillion, two hundred forty-two billion, forty-three million, five hundred forty-three thousand, forty".