20344245450 has 48 divisors (see below), whose sum is σ = 50633384256. Its totient is φ = 5405814400.

The previous prime is 20344245437. The next prime is 20344245461. The reversal of 20344245450 is 5454244302.

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 23 ways as a sum of consecutive naturals, for example, 199182 + ... + 283481.

It is an arithmetic number, because the mean of its divisors is an integer number (1054862172).

Almost surely, 2^20344245450 is an apocalyptic number.

20344245450 is an abundant number, since it is smaller than the sum of its proper divisors (30289138806).

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

20344245450 is a wasteful number, since it uses less digits than its factorization.

20344245450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482959 (or 482954 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 20344245450 its reverse (5454244302), we get a palindrome (25798489752).

The spelling of 20344245450 in words is "twenty billion, three hundred forty-four million, two hundred forty-five thousand, four hundred fifty".