20203433013340 has 48 divisors (see below), whose sum is σ = 43425059055840. Its totient is φ = 7891403304960.

The previous prime is 20203433013329. The next prime is 20203433013341. The reversal of 20203433013340 is 4331033430202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20203433013299 and 20203433013308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203433013341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324180 + ... + 6364900.

It is an arithmetic number, because the mean of its divisors is an integer number (904688730330).

Almost surely, 2^{20203433013340} is an apocalyptic number.

20203433013340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203433013340 is an abundant number, since it is smaller than the sum of its proper divisors (23221626042500).

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

20203433013340 is a wasteful number, since it uses less digits than its factorization.

20203433013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044662 (or 6044660 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20203433013340 its reverse (4331033430202), we get a palindrome (24534466443542).

The spelling of 20203433013340 in words is "twenty trillion, two hundred three billion, four hundred thirty-three million, thirteen thousand, three hundred forty".