242311321020 has 96 divisors (see below), whose sum is σ = 697605410880. Its totient is φ = 62805821440.

The previous prime is 242311320959. The next prime is 242311321033. The reversal of 242311321020 is 20123113242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478654 + ... + 844826.

It is an arithmetic number, because the mean of its divisors is an integer number (7266723030).

Almost surely, 2^242311321020 is an apocalyptic number.

242311321020 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 242311321020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348802705440).

242311321020 is an abundant number, since it is smaller than the sum of its proper divisors (455294089860).

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

242311321020 is a wasteful number, since it uses less digits than its factorization.

242311321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366495 (or 366493 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 242311321020 its reverse (20123113242), we get a palindrome (262434434262).

The spelling of 242311321020 in words is "two hundred forty-two billion, three hundred eleven million, three hundred twenty-one thousand, twenty".