24220500000000 has 720 divisors, whose sum is σ = 82119288465984. Its totient is φ = 6336000000000.

The previous prime is 24220499999911. The next prime is 24220500000001. The reversal of 24220500000000 is 502242.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24220500000001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 100499999880 + ... + 100500000120.

Almost surely, 2^{24220500000000} is an apocalyptic number.

24220500000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24220500000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41059644232992).

24220500000000 is an abundant number, since it is smaller than the sum of its proper divisors (57898788465984).

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

24220500000000 is an frugal number, since it uses more digits than its factorization.

24220500000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 24220500000000 its reverse (502242), we get a palindrome (24220500502242).

The spelling of 24220500000000 in words is "twenty-four trillion, two hundred twenty billion, five hundred million", and thus it is an aban number.