20035345501 has 2 divisors, whose sum is σ = 20035345502. Its totient is φ = 20035345500.

The previous prime is 20035345489. The next prime is 20035345553. The reversal of 20035345501 is 10554353002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18429420025 + 1605925476 = 135755^2 + 40074^2 .

It is a cyclic number.

It is not a de Polignac number, because 20035345501 - 2²¹ = 20033248349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20035345501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20035345591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017672750 + 10017672751.

It is an arithmetic number, because the mean of its divisors is an integer number (10017672751).

Almost surely, 2^20035345501 is an apocalyptic number.

It is an amenable number.

20035345501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035345501 is an equidigital number, since it uses as much as digits as its factorization.

20035345501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 20035345501 its reverse (10554353002), we get a palindrome (30589698503).

The spelling of 20035345501 in words is "twenty billion, thirty-five million, three hundred forty-five thousand, five hundred one".