220517148740 has 48 divisors (see below), whose sum is σ = 529674308352. Its totient is φ = 75544000896.

The previous prime is 220517148739. The next prime is 220517148749. The reversal of 220517148740 is 47841715022.

220517148740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220517148749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472739 + ... + 815178.

It is an arithmetic number, because the mean of its divisors is an integer number (11034881424).

Almost surely, 2^220517148740 is an apocalyptic number.

220517148740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220517148740 is an abundant number, since it is smaller than the sum of its proper divisors (309157159612).

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

220517148740 is a wasteful number, since it uses less digits than its factorization.

220517148740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289156 (or 1289154 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 220517148740 in words is "two hundred twenty billion, five hundred seventeen million, one hundred forty-eight thousand, seven hundred forty".