220077988 has 48 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 90561024.

The previous prime is 220077983. The next prime is 220077989. The reversal of 220077988 is 889770022.

It is not an unprimeable number, because it can be changed into a prime (220077983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10245 + ... + 23347.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2^220077988 is an apocalyptic number.

It is an amenable number.

220077988 is an abundant number, since it is smaller than the sum of its proper divisors (242231132).

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

220077988 is a wasteful number, since it uses less digits than its factorization.

220077988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13156 (or 13154 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 220077988 is about 14835.0257161894. The cubic root of 220077988 is about 603.7523984033.

The spelling of 220077988 in words is "two hundred twenty million, seventy-seven thousand, nine hundred eighty-eight".