242420010 has 64 divisors (see below), whose sum is σ = 668196864. Its totient is φ = 55137600.

The previous prime is 242419981. The next prime is 242420011. The reversal of 242420010 is 10024242.

It is a super-2 number, since 2×242420010² = 117534922496800200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (242420011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41575 + ... + 47045.

It is an arithmetic number, because the mean of its divisors is an integer number (10440576).

Almost surely, 2^242420010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242420010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334098432).

242420010 is an abundant number, since it is smaller than the sum of its proper divisors (425776854).

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

242420010 is a wasteful number, since it uses less digits than its factorization.

242420010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 242420010 is about 15569.8429664528. The cubic root of 242420010 is about 623.5282790467.

Adding to 242420010 its reverse (10024242), we get a palindrome (252444252).

The spelling of 242420010 in words is "two hundred forty-two million, four hundred twenty thousand, ten".