20824461368 has 16 divisors (see below), whose sum is σ = 39484584000. Its totient is φ = 10295238976.

The previous prime is 20824461337. The next prime is 20824461461. The reversal of 20824461368 is 86316442802.

It is a congruent number.

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, 14623208 + ... + 14624631.

It is an arithmetic number, because the mean of its divisors is an integer number (2467786500).

Almost surely, 2^20824461368 is an apocalyptic number.

It is an amenable number.

20824461368 is a deficient number, since it is larger than the sum of its proper divisors (18660122632).

20824461368 is a wasteful number, since it uses less digits than its factorization.

20824461368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29247934 (or 29247930 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 20824461368 in words is "twenty billion, eight hundred twenty-four million, four hundred sixty-one thousand, three hundred sixty-eight".