10020503533 has 2 divisors, whose sum is σ = 10020503534. Its totient is φ = 10020503532.

The previous prime is 10020503513. The next prime is 10020503539. The reversal of 10020503533 is 33530502001.

It is a happy number.

10020503533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9730244164 + 290259369 = 98642^2 + 17037^2 .

It is an emirp because it is prime and its reverse (33530502001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020503533 - 2⁹ = 10020503021 is a prime.

It is a super-3 number, since 3×10020503533³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020503539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010251766 + 5010251767.

It is an arithmetic number, because the mean of its divisors is an integer number (5010251767).

Almost surely, 2^10020503533 is an apocalyptic number.

It is an amenable number.

10020503533 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020503533 is an equidigital number, since it uses as much as digits as its factorization.

10020503533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 22.

The spelling of 10020503533 in words is "ten billion, twenty million, five hundred three thousand, five hundred thirty-three".