242202211420 has 72 divisors (see below), whose sum is σ = 553837480560. Its totient is φ = 88928686080.

The previous prime is 242202211417. The next prime is 242202211421. The reversal of 242202211420 is 24112202242.

It is a super-2 number, since 2×242202211420² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242202211391 and 242202211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242202211421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404860 + ... + 805180.

It is an arithmetic number, because the mean of its divisors is an integer number (7692187230).

Almost surely, 2^242202211420 is an apocalyptic number.

242202211420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242202211420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276918740280).

242202211420 is an abundant number, since it is smaller than the sum of its proper divisors (311635269140).

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

242202211420 is a wasteful number, since it uses less digits than its factorization.

242202211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400535 (or 400520 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 242202211420 its reverse (24112202242), we get a palindrome (266314413662).

The spelling of 242202211420 in words is "two hundred forty-two billion, two hundred two million, two hundred eleven thousand, four hundred twenty".