20435367053 has 2 divisors, whose sum is σ = 20435367054. Its totient is φ = 20435367052.

The previous prime is 20435367049. The next prime is 20435367061. The reversal of 20435367053 is 35076353402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13943358724 + 6492008329 = 118082^2 + 80573^2 .

It is a cyclic number.

It is not a de Polignac number, because 20435367053 - 2² = 20435367049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20435366998 and 20435367016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20435367353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217683526 + 10217683527.

It is an arithmetic number, because the mean of its divisors is an integer number (10217683527).

Almost surely, 2^20435367053 is an apocalyptic number.

It is an amenable number.

20435367053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20435367053 is an equidigital number, since it uses as much as digits as its factorization.

20435367053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 38.

The spelling of 20435367053 in words is "twenty billion, four hundred thirty-five million, three hundred sixty-seven thousand, fifty-three".