220775700 has 36 divisors (see below), whose sum is σ = 638778560. Its totient is φ = 58873440.

The previous prime is 220775677. The next prime is 220775729. The reversal of 220775700 is 7577022.

220775700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 367660 + ... + 368259.

Almost surely, 2^220775700 is an apocalyptic number.

220775700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220775700 is an abundant number, since it is smaller than the sum of its proper divisors (418002860).

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

220775700 is a wasteful number, since it uses less digits than its factorization.

220775700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735936 (or 735929 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 220775700 is about 14858.5228067934. The cubic root of 220775700 is about 604.3897496175.

The spelling of 220775700 in words is "two hundred twenty million, seven hundred seventy-five thousand, seven hundred".