242130020 has 24 divisors (see below), whose sum is σ = 554698368. Its totient is φ = 88047200.

The previous prime is 242130013. The next prime is 242130029. The reversal of 242130020 is 20031242.

It is a junction number, because it is equal to n+sod(n) for n = 242129977 and 242130004.

It is not an unprimeable number, because it can be changed into a prime (242130029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550076 + ... + 550515.

It is an arithmetic number, because the mean of its divisors is an integer number (23112432).

Almost surely, 2^242130020 is an apocalyptic number.

242130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242130020 is an abundant number, since it is smaller than the sum of its proper divisors (312568348).

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

242130020 is a wasteful number, since it uses less digits than its factorization.

242130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100611 (or 1100609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 242130020 is about 15560.5276260158. The cubic root of 242130020 is about 623.2795521737.

Adding to 242130020 its reverse (20031242), we get a palindrome (262161262).

The spelling of 242130020 in words is "two hundred forty-two million, one hundred thirty thousand, twenty".