20234311340 has 24 divisors (see below), whose sum is σ = 43480242960. Its totient is φ = 7905498048.

The previous prime is 20234311313. The next prime is 20234311381. The reversal of 20234311340 is 4311343202.

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 7 ways as a sum of consecutive naturals, for example, 11763275 + ... + 11764994.

It is an arithmetic number, because the mean of its divisors is an integer number (1811676790).

Almost surely, 2^20234311340 is an apocalyptic number.

20234311340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234311340 is an abundant number, since it is smaller than the sum of its proper divisors (23245931620).

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

20234311340 is a wasteful number, since it uses less digits than its factorization.

20234311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23528321 (or 23528319 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20234311340 its reverse (4311343202), we get a palindrome (24545654542).

The spelling of 20234311340 in words is "twenty billion, two hundred thirty-four million, three hundred eleven thousand, three hundred forty".