20343214342 has 16 divisors (see below), whose sum is σ = 33296380992. Its totient is φ = 9244836520.

The previous prime is 20343214303. The next prime is 20343214361. The reversal of 20343214342 is 24341234302.

It is a self number, because there is not a number n which added to its sum of digits gives 20343214342.

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, 1648 + ... + 201715.

It is an arithmetic number, because the mean of its divisors is an integer number (2081023812).

Almost surely, 2^20343214342 is an apocalyptic number.

20343214342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20343214342 is a deficient number, since it is larger than the sum of its proper divisors (12953166650).

20343214342 is a wasteful number, since it uses less digits than its factorization.

20343214342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207923.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20343214342 its reverse (24341234302), we get a palindrome (44684448644).

The spelling of 20343214342 in words is "twenty billion, three hundred forty-three million, two hundred fourteen thousand, three hundred forty-two".