1220020210242 has 24 divisors (see below), whose sum is σ = 2643406721280. Its totient is φ = 406668849720.

The previous prime is 1220020210237. The next prime is 1220020210271. The reversal of 1220020210242 is 2420120200221.

1220020210242 is a `hidden beast` number, since 1 + 220 + 0 + 202 + 1 + 0 + 242 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1533259 + ... + 2188817.

It is an arithmetic number, because the mean of its divisors is an integer number (110141946720).

Almost surely, 2^{1220020210242} is an apocalyptic number.

1220020210242 is an abundant number, since it is smaller than the sum of its proper divisors (1423386511038).

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

1220020210242 is a wasteful number, since it uses less digits than its factorization.

1220020210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758958 (or 758955 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1220020210242 its reverse (2420120200221), we get a palindrome (3640140410463).

The spelling of 1220020210242 in words is "one trillion, two hundred twenty billion, twenty million, two hundred ten thousand, two hundred forty-two".