229920868334940 has 48 divisors (see below), whose sum is σ = 650152475229600. Its totient is φ = 60705179756800.

The previous prime is 229920868334933. The next prime is 229920868334951. The reversal of 229920868334940 is 49433868029922.

It is a happy number.

It is a super-3 number, since 3×229920868334940³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18970362615 + ... + 18970374734.

It is an arithmetic number, because the mean of its divisors is an integer number (13544843233950).

Almost surely, 2^{229920868334940} is an apocalyptic number.

229920868334940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229920868334940 is an abundant number, since it is smaller than the sum of its proper divisors (420231606894660).

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

229920868334940 is a wasteful number, since it uses less digits than its factorization.

229920868334940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37940737462 (or 37940737460 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 69.

The spelling of 229920868334940 in words is "two hundred twenty-nine trillion, nine hundred twenty billion, eight hundred sixty-eight million, three hundred thirty-four thousand, nine hundred forty".