220733761 has 8 divisors (see below), whose sum is σ = 233205120. Its totient is φ = 208586448.

The previous prime is 220733759. The next prime is 220733789. The reversal of 220733761 is 167337022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220733761 - 2¹ = 220733759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220733701) 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, 79611 + ... + 82336.

It is an arithmetic number, because the mean of its divisors is an integer number (29150640).

Almost surely, 2^220733761 is an apocalyptic number.

It is an amenable number.

220733761 is a deficient number, since it is larger than the sum of its proper divisors (12471359).

220733761 is a wasteful number, since it uses less digits than its factorization.

220733761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162023.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 220733761 is about 14857.1114621921. Note that the first 3 decimals coincide. The cubic root of 220733761 is about 604.3514768261.

The spelling of 220733761 in words is "two hundred twenty million, seven hundred thirty-three thousand, seven hundred sixty-one".