220745652 has 24 divisors (see below), whose sum is σ = 526033536. Its totient is φ = 72016128.

The previous prime is 220745647. The next prime is 220745653. The reversal of 220745652 is 256547022.

220745652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220745653) 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, 195133 + ... + 196260.

It is an arithmetic number, because the mean of its divisors is an integer number (21918064).

Almost surely, 2^220745652 is an apocalyptic number.

It is an amenable number.

220745652 is an abundant number, since it is smaller than the sum of its proper divisors (305287884).

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

220745652 is a wasteful number, since it uses less digits than its factorization.

220745652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391447 (or 391445 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 220745652 is about 14857.5116355331. The cubic root of 220745652 is about 604.3623288353.

The spelling of 220745652 in words is "two hundred twenty million, seven hundred forty-five thousand, six hundred fifty-two".