20892534307 has 8 divisors (see below), whose sum is σ = 20978605472. Its totient is φ = 20806632000.

The previous prime is 20892534281. The next prime is 20892534331. The reversal of 20892534307 is 70343529802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20892534307 is a prime.

It is the 144543-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20892534107) by changing a digit.

It is a nontrivial repunit in base 144542.

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 7 ways as a sum of consecutive naturals, for example, 208807 + ... + 292207.

It is an arithmetic number, because the mean of its divisors is an integer number (2622325684).

Almost surely, 2^20892534307 is an apocalyptic number.

20892534307 is a deficient number, since it is larger than the sum of its proper divisors (86071165).

20892534307 is an equidigital number, since it uses as much as digits as its factorization.

20892534307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84429.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20892534307 in words is "twenty billion, eight hundred ninety-two million, five hundred thirty-four thousand, three hundred seven".