220976733 has 4 divisors (see below), whose sum is σ = 294635648. Its totient is φ = 147317820.

The previous prime is 220976731. The next prime is 220976747. The reversal of 220976733 is 337679022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220976733 - 2¹ = 220976731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220976691 and 220976700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220976731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36829453 + ... + 36829458.

It is an arithmetic number, because the mean of its divisors is an integer number (73658912).

Almost surely, 2^220976733 is an apocalyptic number.

It is an amenable number.

220976733 is a deficient number, since it is larger than the sum of its proper divisors (73658915).

220976733 is an equidigital number, since it uses as much as digits as its factorization.

220976733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73658914.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 220976733 is about 14865.2861728256. The cubic root of 220976733 is about 604.5731415158.

The spelling of 220976733 in words is "two hundred twenty million, nine hundred seventy-six thousand, seven hundred thirty-three".