20924183895616 has 49 divisors (see below), whose sum is σ = 42027786288811. Its totient is φ = 10336042647232.

The previous prime is 20924183895611. The next prime is 20924183895751. The reversal of 20924183895616 is 61659838142902.

The square root of 20924183895616 is 4574296.

The cubic root of 20924183895616 is 27556.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20924183895611) 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 6 ways as a sum of consecutive naturals, for example, 252098601111 + ... + 252098601193.

Almost surely, 2^{20924183895616} is an apocalyptic number.

20924183895616 is the 4574296-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20924183895616

20924183895616 is an abundant number, since it is smaller than the sum of its proper divisors (21103602393195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20924183895616 is an frugal number, since it uses more digits than its factorization.

20924183895616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 64.

20924183895616 divided by its sum of digits (64) gives a 6-th power (326940373369 = 83⁶).

The spelling of 20924183895616 in words is "twenty trillion, nine hundred twenty-four billion, one hundred eighty-three million, eight hundred ninety-five thousand, six hundred sixteen".