20342453034 has 32 divisors (see below), whose sum is σ = 41426896896. Its totient is φ = 6657813360.

The previous prime is 20342453009. The next prime is 20342453039. The reversal of 20342453034 is 43035424302.

It is a junction number, because it is equal to n+sod(n) for n = 20342452992 and 20342453010.

It is not an unprimeable number, because it can be changed into a prime (20342453039) 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, 40999 + ... + 205829.

It is an arithmetic number, because the mean of its divisors is an integer number (1294590528).

Almost surely, 2^20342453034 is an apocalyptic number.

20342453034 is an abundant number, since it is smaller than the sum of its proper divisors (21084443862).

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

20342453034 is a wasteful number, since it uses less digits than its factorization.

20342453034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165210.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 20342453034 its reverse (43035424302), we get a palindrome (63377877336).

The spelling of 20342453034 in words is "twenty billion, three hundred forty-two million, four hundred fifty-three thousand, thirty-four".