20055024001340 has 24 divisors (see below), whose sum is σ = 42115860628800. Its totient is φ = 8021950509888.

The previous prime is 20055024001321. The next prime is 20055024001343. The reversal of 20055024001340 is 4310042055002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055024001343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857012 + ... + 6390971.

It is an arithmetic number, because the mean of its divisors is an integer number (1754827526200).

Almost surely, 2^{20055024001340} is an apocalyptic number.

20055024001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20055024001340 is an abundant number, since it is smaller than the sum of its proper divisors (22060836627460).

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

20055024001340 is a wasteful number, since it uses less digits than its factorization.

20055024001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386341 (or 7386339 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20055024001340 its reverse (4310042055002), we get a palindrome (24365066056342).

The spelling of 20055024001340 in words is "twenty trillion, fifty-five billion, twenty-four million, one thousand, three hundred forty".