124224320220 has 384 divisors, whose sum is σ = 479644526592. Its totient is φ = 23182848000.

The previous prime is 124224320189. The next prime is 124224320327. The reversal of 124224320220 is 22023422421.

It is a super-2 number, since 2×124224320220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2194270 + ... + 2250170.

It is an arithmetic number, because the mean of its divisors is an integer number (1249074288).

Almost surely, 2^124224320220 is an apocalyptic number.

124224320220 is a gapful number since it is divisible by the number (10) 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 124224320220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239822263296).

124224320220 is an abundant number, since it is smaller than the sum of its proper divisors (355420206372).

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

124224320220 is a wasteful number, since it uses less digits than its factorization.

124224320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55981 (or 55979 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 124224320220 its reverse (22023422421), we get a palindrome (146247742641).

It can be divided in two parts, 124224 and 320220, that added together give a palindrome (444444).

The spelling of 124224320220 in words is "one hundred twenty-four billion, two hundred twenty-four million, three hundred twenty thousand, two hundred twenty".