20067232530721 has 8 divisors (see below), whose sum is σ = 20106147527424. Its totient is φ = 20028333619920.

The previous prime is 20067232530661. The next prime is 20067232530727. The reversal of 20067232530721 is 12703523276002.

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 20067232530721 - 2⁹ = 20067232530209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20067232530727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522545 + ... + 6515566.

It is an arithmetic number, because the mean of its divisors is an integer number (2513268440928).

Almost surely, 2^{20067232530721} is an apocalyptic number.

It is an amenable number.

20067232530721 is a deficient number, since it is larger than the sum of its proper divisors (38914996703).

20067232530721 is an equidigital number, since it uses as much as digits as its factorization.

20067232530721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042951.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 20067232530721 in words is "twenty trillion, sixty-seven billion, two hundred thirty-two million, five hundred thirty thousand, seven hundred twenty-one".