220545510540 has 24 divisors (see below), whose sum is σ = 617527429680. Its totient is φ = 58812136128.

The previous prime is 220545510527. The next prime is 220545510541. The reversal of 220545510540 is 45015545022.

It is not an unprimeable number, because it can be changed into a prime (220545510541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837879195 + ... + 1837879314.

It is an arithmetic number, because the mean of its divisors is an integer number (25730309570).

Almost surely, 2^220545510540 is an apocalyptic number.

220545510540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220545510540 is an abundant number, since it is smaller than the sum of its proper divisors (396981919140).

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

220545510540 is a wasteful number, since it uses less digits than its factorization.

220545510540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675758521 (or 3675758519 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 220545510540 in words is "two hundred twenty billion, five hundred forty-five million, five hundred ten thousand, five hundred forty".