220516533612 has 72 divisors (see below), whose sum is σ = 590146480560. Its totient is φ = 69234238080.

The previous prime is 220516533539. The next prime is 220516533673. The reversal of 220516533612 is 216335615022.

220516533612 is a `hidden beast` number, since 2 + 2 + 0 + 5 + 1 + 6 + 5 + 33 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 813439 + ... + 1050102.

Almost surely, 2^220516533612 is an apocalyptic number.

It is an amenable number.

220516533612 is an abundant number, since it is smaller than the sum of its proper divisors (369629946948).

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

220516533612 is a wasteful number, since it uses less digits than its factorization.

220516533612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863743 (or 1863738 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 220516533612 in words is "two hundred twenty billion, five hundred sixteen million, five hundred thirty-three thousand, six hundred twelve".