20043533302144 has 64 divisors (see below), whose sum is σ = 45853178817600. Its totient is φ = 8631186577920.

The previous prime is 20043533302141. The next prime is 20043533302147. The reversal of 20043533302144 is 44120333534002.

It is an interprime number because it is at equal distance from previous prime (20043533302141) and next prime (20043533302147).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043533302141) 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, 374590722 + ... + 374644225.

It is an arithmetic number, because the mean of its divisors is an integer number (716455919025).

Almost surely, 2^{20043533302144} is an apocalyptic number.

It is an amenable number.

20043533302144 is an abundant number, since it is smaller than the sum of its proper divisors (25809645515456).

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

20043533302144 is a wasteful number, since it uses less digits than its factorization.

20043533302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749234991 (or 749234979 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 20043533302144 its reverse (44120333534002), we get a palindrome (64163866836146).

The spelling of 20043533302144 in words is "twenty trillion, forty-three billion, five hundred thirty-three million, three hundred two thousand, one hundred forty-four".