20343665111552 has 40 divisors (see below), whose sum is σ = 40652379979596. Its totient is φ = 10170635517952.

The previous prime is 20343665111507. The next prime is 20343665111569. The reversal of 20343665111552 is 25511156634302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20343563827456 + 101284096 = 4510384^2 + 10064^2 .

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, 2024948 + ... + 6692364.

Almost surely, 2^{20343665111552} is an apocalyptic number.

It is an amenable number.

20343665111552 is a deficient number, since it is larger than the sum of its proper divisors (20308714868044).

20343665111552 is an frugal number, since it uses more digits than its factorization.

20343665111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675948 (or 4675932 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 20343665111552 in words is "twenty trillion, three hundred forty-three billion, six hundred sixty-five million, one hundred eleven thousand, five hundred fifty-two".