20344650624208 has 20 divisors (see below), whose sum is σ = 39427015884480. Its totient is φ = 10169936847584.

The previous prime is 20344650624173. The next prime is 20344650624247. The reversal of 20344650624208 is 80242605644302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149208760 + ... + 149345047.

It is an arithmetic number, because the mean of its divisors is an integer number (1971350794224).

Almost surely, 2^{20344650624208} is an apocalyptic number.

It is an amenable number.

20344650624208 is a deficient number, since it is larger than the sum of its proper divisors (19082365260272).

20344650624208 is a wasteful number, since it uses less digits than its factorization.

20344650624208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298558074 (or 298558068 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 20344650624208 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty million, six hundred twenty-four thousand, two hundred eight".