158236234220 has 12 divisors (see below), whose sum is σ = 332296091904. Its totient is φ = 63294493680.

The previous prime is 158236234183. The next prime is 158236234237. The reversal of 158236234220 is 22432632851.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955905836 + ... + 3955905875.

It is an arithmetic number, because the mean of its divisors is an integer number (27691340992).

Almost surely, 2^158236234220 is an apocalyptic number.

158236234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158236234220 is an abundant number, since it is smaller than the sum of its proper divisors (174059857684).

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

158236234220 is a wasteful number, since it uses less digits than its factorization.

158236234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911811720 (or 7911811718 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 158236234220 in words is "one hundred fifty-eight billion, two hundred thirty-six million, two hundred thirty-four thousand, two hundred twenty".