242020101 has 16 divisors (see below), whose sum is σ = 329448384. Its totient is φ = 157981824.

The previous prime is 242020091. The next prime is 242020117. The reversal of 242020101 is 101020242.

It is a de Polignac number, because none of the positive numbers 2^k-242020101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96870 + ... + 99336.

It is an arithmetic number, because the mean of its divisors is an integer number (20590524).

Almost surely, 2^242020101 is an apocalyptic number.

It is an amenable number.

242020101 is a deficient number, since it is larger than the sum of its proper divisors (87428283).

242020101 is a wasteful number, since it uses less digits than its factorization.

242020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 242020101 is about 15556.9952432981. The cubic root of 242020101 is about 623.1852218151.

Adding to 242020101 its reverse (101020242), we get a palindrome (343040343).

The spelling of 242020101 in words is "two hundred forty-two million, twenty thousand, one hundred one".