20345006254308 has 24 divisors (see below), whose sum is σ = 47472134653440. Its totient is φ = 6781603980960.

The previous prime is 20345006254289. The next prime is 20345006254327. The reversal of 20345006254308 is 80345260054302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20345006254289) and next prime (20345006254327).

It is a self number, because there is not a number n which added to its sum of digits gives 20345006254308.

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, 6778948 + ... + 9308283.

It is an arithmetic number, because the mean of its divisors is an integer number (1978005610560).

Almost surely, 2^{20345006254308} is an apocalyptic number.

It is an amenable number.

20345006254308 is an abundant number, since it is smaller than the sum of its proper divisors (27127128399132).

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

20345006254308 is a wasteful number, since it uses less digits than its factorization.

20345006254308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16192627 (or 16192625 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 20345006254308 in words is "twenty trillion, three hundred forty-five billion, six million, two hundred fifty-four thousand, three hundred eight".