100220131424 has 48 divisors (see below), whose sum is σ = 225544134816. Its totient is φ = 42942182400.

The previous prime is 100220131373. The next prime is 100220131439. The reversal of 100220131424 is 424131022001.

It is a junction number, because it is equal to n+sod(n) for n = 100220131396 and 100220131405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042844 + ... + 1134884.

It is an arithmetic number, because the mean of its divisors is an integer number (4698836142).

Almost surely, 2^100220131424 is an apocalyptic number.

100220131424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100220131424 is an abundant number, since it is smaller than the sum of its proper divisors (125324003392).

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

100220131424 is an equidigital number, since it uses as much as digits as its factorization.

100220131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96919 (or 96911 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100220131424 its reverse (424131022001), we get a palindrome (524351153425).

The spelling of 100220131424 in words is "one hundred billion, two hundred twenty million, one hundred thirty-one thousand, four hundred twenty-four".