247730133712020 has 48 divisors (see below), whose sum is σ = 710562529873728. Its totient is φ = 64450116087040.

The previous prime is 247730133712007. The next prime is 247730133712057. The reversal of 247730133712020 is 20217331037742.

It is a super-2 number, since 2×247730133712020² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50351650734 + ... + 50351655653.

It is an arithmetic number, because the mean of its divisors is an integer number (14803386039036).

Almost surely, 2^{247730133712020} is an apocalyptic number.

247730133712020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247730133712020 is an abundant number, since it is smaller than the sum of its proper divisors (462832396161708).

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

247730133712020 is a wasteful number, since it uses less digits than its factorization.

247730133712020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100703306440 (or 100703306438 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 42.

Adding to 247730133712020 its reverse (20217331037742), we get a palindrome (267947464749762).

The spelling of 247730133712020 in words is "two hundred forty-seven trillion, seven hundred thirty billion, one hundred thirty-three million, seven hundred twelve thousand, twenty".