20324354633 has 24 divisors (see below), whose sum is σ = 23451751680. Its totient is φ = 17577410400.

The previous prime is 20324354623. The next prime is 20324354651. The reversal of 20324354633 is 33645342302.

It is not a de Polignac number, because 20324354633 - 2⁸ = 20324354377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20324354593 and 20324354602.

It is not an unprimeable number, because it can be changed into a prime (20324354623) 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 in 23 ways as a sum of consecutive naturals, for example, 175391 + ... + 267227.

It is an arithmetic number, because the mean of its divisors is an integer number (977156320).

Almost surely, 2^20324354633 is an apocalyptic number.

It is an amenable number.

20324354633 is a deficient number, since it is larger than the sum of its proper divisors (3127397047).

20324354633 is a wasteful number, since it uses less digits than its factorization.

20324354633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91949 (or 91938 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 20324354633 its reverse (33645342302), we get a palindrome (53969696935).

The spelling of 20324354633 in words is "twenty billion, three hundred twenty-four million, three hundred fifty-four thousand, six hundred thirty-three".