229981557120 has 1024 divisors, whose sum is σ = 918481766400. Its totient is φ = 47775744000.

The previous prime is 229981557119. The next prime is 229981557149. The reversal of 229981557120 is 21755189922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 954280200 + ... + 954280440.

It is an arithmetic number, because the mean of its divisors is an integer number (896954850).

Almost surely, 2^229981557120 is an apocalyptic number.

229981557120 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 229981557120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459240883200).

229981557120 is an abundant number, since it is smaller than the sum of its proper divisors (688500209280).

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

229981557120 is a wasteful number, since it uses less digits than its factorization.

229981557120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 229981557120 in words is "two hundred twenty-nine billion, nine hundred eighty-one million, five hundred fifty-seven thousand, one hundred twenty".