20433597121 has 8 divisors (see below), whose sum is σ = 23353547904. Its totient is φ = 17513862720.

The previous prime is 20433597091. The next prime is 20433597127. The reversal of 20433597121 is 12179533402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20433597121 - 2⁵ = 20433597089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433597127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331956 + ... + 388666.

It is an arithmetic number, because the mean of its divisors is an integer number (2919193488).

Almost surely, 2^20433597121 is an apocalyptic number.

It is an amenable number.

20433597121 is a deficient number, since it is larger than the sum of its proper divisors (2919950783).

20433597121 is an equidigital number, since it uses as much as digits as its factorization.

20433597121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108191.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 20433597121 in words is "twenty billion, four hundred thirty-three million, five hundred ninety-seven thousand, one hundred twenty-one".