20343301031240 has 64 divisors (see below), whose sum is σ = 49940840252160. Its totient is φ = 7396485022720.

The previous prime is 20343301031213. The next prime is 20343301031311. The reversal of 20343301031240 is 4213010334302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348689 + ... + 6388128.

It is an arithmetic number, because the mean of its divisors is an integer number (780325628940).

Almost surely, 2^{20343301031240} is an apocalyptic number.

20343301031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343301031240 is an abundant number, since it is smaller than the sum of its proper divisors (29597539220920).

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

20343301031240 is a wasteful number, since it uses less digits than its factorization.

20343301031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743702 (or 6743698 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20343301031240 its reverse (4213010334302), we get a palindrome (24556311365542).

The spelling of 20343301031240 in words is "twenty trillion, three hundred forty-three billion, three hundred one million, thirty-one thousand, two hundred forty".