20444896507 has 8 divisors (see below), whose sum is σ = 24740042976. Its totient is φ = 16493361792.

The previous prime is 20444896501. The next prime is 20444896543. The reversal of 20444896507 is 70569844402.

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 20444896507 - 2¹⁵ = 20444863739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20444896501) 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, 85902808 + ... + 85903045.

It is an arithmetic number, because the mean of its divisors is an integer number (3092505372).

Almost surely, 2^20444896507 is an apocalyptic number.

20444896507 is a deficient number, since it is larger than the sum of its proper divisors (4295146469).

20444896507 is a wasteful number, since it uses less digits than its factorization.

20444896507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171805877.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 20444896507 in words is "twenty billion, four hundred forty-four million, eight hundred ninety-six thousand, five hundred seven".