234242140220 has 48 divisors (see below), whose sum is σ = 555131858400. Its totient is φ = 82241752320.

The previous prime is 234242140213. The next prime is 234242140229. The reversal of 234242140220 is 22041242432.

It is a super-2 number, since 2×234242140220² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234242140220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234242140229) 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, 18351155 + ... + 18363914.

It is an arithmetic number, because the mean of its divisors is an integer number (11565247050).

Almost surely, 2^234242140220 is an apocalyptic number.

234242140220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234242140220 is an abundant number, since it is smaller than the sum of its proper divisors (320889718180).

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

234242140220 is a wasteful number, since it uses less digits than its factorization.

234242140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36715118 (or 36715116 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 234242140220 its reverse (22041242432), we get a palindrome (256283382652).

The spelling of 234242140220 in words is "two hundred thirty-four billion, two hundred forty-two million, one hundred forty thousand, two hundred twenty".