20864446802 has 8 divisors (see below), whose sum is σ = 31297698300. Its totient is φ = 10431880704.

The previous prime is 20864446793. The next prime is 20864446891.

20864446802 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 16661388241 + 4203058561 = 129079^2 + 64831^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86927 + ... + 222002.

Almost surely, 2^20864446802 is an apocalyptic number.

20864446802 is a deficient number, since it is larger than the sum of its proper divisors (10433251498).

20864446802 is a wasteful number, since it uses less digits than its factorization.

20864446802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342700.

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 20864446802 in words is "twenty billion, eight hundred sixty-four million, four hundred forty-six thousand, eight hundred two".