20535065003 has 2 divisors, whose sum is σ = 20535065004. Its totient is φ = 20535065002.

The previous prime is 20535064973. The next prime is 20535065011. The reversal of 20535065003 is 30056053502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20535065003 - 2¹² = 20535060907 is a prime.

It is not a weakly prime, because it can be changed into another prime (20535065203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10267532501 + 10267532502.

It is an arithmetic number, because the mean of its divisors is an integer number (10267532502).

Almost surely, 2^20535065003 is an apocalyptic number.

20535065003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20535065003 is an equidigital number, since it uses as much as digits as its factorization.

20535065003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 20535065003 in words is "twenty billion, five hundred thirty-five million, sixty-five thousand, three".