20310511342001 has 16 divisors (see below), whose sum is σ = 21580081462800. Its totient is φ = 19078954530048.

The previous prime is 20310511341971. The next prime is 20310511342057. The reversal of 20310511342001 is 10024311501302.

It can be written as a sum of positive squares in 8 ways, for example, as 1518711169600 + 18791800172401 = 1232360^2 + 4334951^2 .

It is a cyclic number.

It is not a de Polignac number, because 20310511342001 - 2³⁸ = 20035633435057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310511342061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16857155 + ... + 18021783.

It is an arithmetic number, because the mean of its divisors is an integer number (1348755091425).

Almost surely, 2^{20310511342001} is an apocalyptic number.

It is an amenable number.

20310511342001 is a deficient number, since it is larger than the sum of its proper divisors (1269570120799).

20310511342001 is a wasteful number, since it uses less digits than its factorization.

20310511342001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180948.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20310511342001 its reverse (10024311501302), we get a palindrome (30334822843303).

The spelling of 20310511342001 in words is "twenty trillion, three hundred ten billion, five hundred eleven million, three hundred forty-two thousand, one".