242130301220 has 12 divisors (see below), whose sum is σ = 508473632604. Its totient is φ = 96852120480.

The previous prime is 242130301201. The next prime is 242130301253. The reversal of 242130301220 is 22103031242.

It can be written as a sum of positive squares in 2 ways, for example, as 176216927524 + 65913373696 = 419782^2 + 256736^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12106515061 = 242130301220 / (2 + 4 + 2 + 1 + 3 + 0 + 3 + 0 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 242130301192 and 242130301201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6053257511 + ... + 6053257550.

It is an arithmetic number, because the mean of its divisors is an integer number (42372802717).

Almost surely, 2^242130301220 is an apocalyptic number.

242130301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242130301220 is an abundant number, since it is smaller than the sum of its proper divisors (266343331384).

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

242130301220 is a wasteful number, since it uses less digits than its factorization.

242130301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106515070 (or 12106515068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 242130301220 its reverse (22103031242), we get a palindrome (264233332462).

The spelling of 242130301220 in words is "two hundred forty-two billion, one hundred thirty million, three hundred one thousand, two hundred twenty".