20234635533 has 48 divisors (see below), whose sum is σ = 33969561600. Its totient is φ = 11367851040.

The previous prime is 20234635513. The next prime is 20234635541. The reversal of 20234635533 is 33553643202.

20234635533 is a `hidden beast` number, since 20 + 23 + 4 + 63 + 553 + 3 = 666.

It is not a de Polignac number, because 20234635533 - 2⁸ = 20234635277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234635513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1180998 + ... + 1198008.

It is an arithmetic number, because the mean of its divisors is an integer number (707699200).

Almost surely, 2^20234635533 is an apocalyptic number.

It is an amenable number.

20234635533 is a deficient number, since it is larger than the sum of its proper divisors (13734926067).

20234635533 is a wasteful number, since it uses less digits than its factorization.

20234635533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342 (or 17339 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 20234635533 in words is "twenty billion, two hundred thirty-four million, six hundred thirty-five thousand, five hundred thirty-three".