22720896576 has 336 divisors, whose sum is σ = 81732583296. Its totient is φ = 6109323264.

The previous prime is 22720896571. The next prime is 22720896683. The reversal of 22720896576 is 67569802722.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (22720896571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1844550 + ... + 1856826.

It is an arithmetic number, because the mean of its divisors is an integer number (243251736).

Almost surely, 2^22720896576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22720896576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40866291648).

22720896576 is an abundant number, since it is smaller than the sum of its proper divisors (59011686720).

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

22720896576 is a wasteful number, since it uses less digits than its factorization.

22720896576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12328 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 22720896576 in words is "twenty-two billion, seven hundred twenty million, eight hundred ninety-six thousand, five hundred seventy-six".