20696464833 has 8 divisors (see below), whose sum is σ = 30103948896. Its totient is φ = 12543312000.

The previous prime is 20696464783. The next prime is 20696464843. The reversal of 20696464833 is 33846469602.

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

It is not a de Polignac number, because 20696464833 - 2⁶ = 20696464769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20696464843) 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, 313582768 + ... + 313582833.

It is an arithmetic number, because the mean of its divisors is an integer number (3762993612).

Almost surely, 2^20696464833 is an apocalyptic number.

It is an amenable number.

20696464833 is a deficient number, since it is larger than the sum of its proper divisors (9407484063).

20696464833 is a wasteful number, since it uses less digits than its factorization.

20696464833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627165615.

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 20696464833 in words is "twenty billion, six hundred ninety-six million, four hundred sixty-four thousand, eight hundred thirty-three".