20333585968 has 40 divisors (see below), whose sum is σ = 41062102016. Its totient is φ = 9743284800.

The previous prime is 20333585959. The next prime is 20333585969. The reversal of 20333585968 is 86958533302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20333585969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147918 + ... + 250093.

Almost surely, 2^20333585968 is an apocalyptic number.

It is an amenable number.

20333585968 is an abundant number, since it is smaller than the sum of its proper divisors (20728516048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20333585968 is a wasteful number, since it uses less digits than its factorization.

20333585968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398153 (or 398147 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 20333585968 in words is "twenty billion, three hundred thirty-three million, five hundred eighty-five thousand, nine hundred sixty-eight".