20343664214650 has 24 divisors (see below), whose sum is σ = 43244817645600. Its totient is φ = 6974970587760.

The previous prime is 20343664214647. The next prime is 20343664214677. The reversal of 20343664214650 is 5641246634302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20343664214650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29062377100 + ... + 29062377799.

It is an arithmetic number, because the mean of its divisors is an integer number (1801867401900).

Almost surely, 2^{20343664214650} is an apocalyptic number.

20343664214650 is an abundant number, since it is smaller than the sum of its proper divisors (22901153430950).

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

20343664214650 is a wasteful number, since it uses less digits than its factorization.

20343664214650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58124754918 (or 58124754913 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 20343664214650 in words is "twenty trillion, three hundred forty-three billion, six hundred sixty-four million, two hundred fourteen thousand, six hundred fifty".