20234023304340 has 24 divisors (see below), whose sum is σ = 56655265252320. Its totient is φ = 5395739547808.

The previous prime is 20234023304321. The next prime is 20234023304401. The reversal of 20234023304340 is 4340332043202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20234023304298 and 20234023304307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168616860810 + ... + 168616860929.

It is an arithmetic number, because the mean of its divisors is an integer number (2360636052180).

Almost surely, 2^{20234023304340} is an apocalyptic number.

20234023304340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234023304340 is an abundant number, since it is smaller than the sum of its proper divisors (36421241947980).

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

20234023304340 is a wasteful number, since it uses less digits than its factorization.

20234023304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337233721751 (or 337233721749 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 20234023304340 its reverse (4340332043202), we get a palindrome (24574355347542).

The spelling of 20234023304340 in words is "twenty trillion, two hundred thirty-four billion, twenty-three million, three hundred four thousand, three hundred forty".