24220521234 has 128 divisors (see below), whose sum is σ = 68035054080. Its totient is φ = 6215139072.

The previous prime is 24220521229. The next prime is 24220521307. The reversal of 24220521234 is 43212502242.

24220521234 is a `hidden beast` number, since 2 + 422 + 0 + 5 + 2 + 1 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 24220521198 and 24220521207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115212 + ... + 248424.

It is an arithmetic number, because the mean of its divisors is an integer number (531523860).

Almost surely, 2^24220521234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24220521234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34017527040).

24220521234 is an abundant number, since it is smaller than the sum of its proper divisors (43814532846).

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

24220521234 is a wasteful number, since it uses less digits than its factorization.

24220521234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133281 (or 133275 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The spelling of 24220521234 in words is "twenty-four billion, two hundred twenty million, five hundred twenty-one thousand, two hundred thirty-four".