20244264464 has 20 divisors (see below), whose sum is σ = 40135432656. Its totient is φ = 9886733472.

The previous prime is 20244264463. The next prime is 20244264497. The reversal of 20244264464 is 46446244202.

It is not an unprimeable number, because it can be changed into a prime (20244264463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14711714 + ... + 14713089.

Almost surely, 2^20244264464 is an apocalyptic number.

It is an amenable number.

20244264464 is a deficient number, since it is larger than the sum of its proper divisors (19891168192).

20244264464 is a wasteful number, since it uses less digits than its factorization.

20244264464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29424854 (or 29424848 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The spelling of 20244264464 in words is "twenty billion, two hundred forty-four million, two hundred sixty-four thousand, four hundred sixty-four".