20123201020232 has 8 divisors (see below), whose sum is σ = 37731001912950. Its totient is φ = 10061600510112.

The previous prime is 20123201020193. The next prime is 20123201020243. The reversal of 20123201020232 is 23202010232102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19433161789636 + 690039230596 = 4408306^2 + 830686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257700063757 + ... + 1257700063772.

Almost surely, 2^{20123201020232} is an apocalyptic number.

It is an amenable number.

20123201020232 is a deficient number, since it is larger than the sum of its proper divisors (17607800892718).

20123201020232 is a wasteful number, since it uses less digits than its factorization.

20123201020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515400127535 (or 2515400127531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20123201020232 its reverse (23202010232102), we get a palindrome (43325211252334).

The spelling of 20123201020232 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, twenty thousand, two hundred thirty-two".