124204500220 has 12 divisors (see below), whose sum is σ = 260829450504. Its totient is φ = 49681800080.

The previous prime is 124204500193. The next prime is 124204500223. The reversal of 124204500220 is 22005402421.

It is a junction number, because it is equal to n+sod(n) for n = 124204500191 and 124204500200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124204500223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105112486 + ... + 3105112525.

It is an arithmetic number, because the mean of its divisors is an integer number (21735787542).

Almost surely, 2^124204500220 is an apocalyptic number.

124204500220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124204500220 is an abundant number, since it is smaller than the sum of its proper divisors (136624950284).

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

124204500220 is a wasteful number, since it uses less digits than its factorization.

124204500220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210225020 (or 6210225018 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 124204500220 its reverse (22005402421), we get a palindrome (146209902641).

The spelling of 124204500220 in words is "one hundred twenty-four billion, two hundred four million, five hundred thousand, two hundred twenty".