220745076 has 24 divisors (see below), whose sum is σ = 537466944. Its totient is φ = 70382400.

The previous prime is 220745033. The next prime is 220745081. The reversal of 220745076 is 670547022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399625 + ... + 400176.

It is an arithmetic number, because the mean of its divisors is an integer number (22394456).

Almost surely, 2^220745076 is an apocalyptic number.

It is an amenable number.

220745076 is an abundant number, since it is smaller than the sum of its proper divisors (316721868).

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

220745076 is a wasteful number, since it uses less digits than its factorization.

220745076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799831 (or 799829 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 220745076 is about 14857.4922513862. The cubic root of 220745076 is about 604.3618031730.

The spelling of 220745076 in words is "two hundred twenty million, seven hundred forty-five thousand, seventy-six".