147723554220 has 72 divisors (see below), whose sum is σ = 454646729712. Its totient is φ = 35811768960.

The previous prime is 147723554203. The next prime is 147723554239. The reversal of 147723554220 is 22455327741.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10166539 + ... + 10181058.

Almost surely, 2^147723554220 is an apocalyptic number.

147723554220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147723554220 is an abundant number, since it is smaller than the sum of its proper divisors (306923175492).

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

147723554220 is a wasteful number, since it uses less digits than its factorization.

147723554220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347631 (or 20347618 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 147723554220 in words is "one hundred forty-seven billion, seven hundred twenty-three million, five hundred fifty-four thousand, two hundred twenty".