220533376540 has 24 divisors (see below), whose sum is σ = 464342059440. Its totient is φ = 87980594688.

The previous prime is 220533376517. The next prime is 220533376589. The reversal of 220533376540 is 45673335022.

It is a junction number, because it is equal to n+sod(n) for n = 220533376493 and 220533376502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14539477 + ... + 14554636.

It is an arithmetic number, because the mean of its divisors is an integer number (19347585810).

Almost surely, 2^220533376540 is an apocalyptic number.

220533376540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220533376540 is an abundant number, since it is smaller than the sum of its proper divisors (243808682900).

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

220533376540 is a wasteful number, since it uses less digits than its factorization.

220533376540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29094501 (or 29094499 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 40.

The spelling of 220533376540 in words is "two hundred twenty billion, five hundred thirty-three million, three hundred seventy-six thousand, five hundred forty".