1220760213 has 8 divisors (see below), whose sum is σ = 1698449088. Its totient is φ = 778455744.

The previous prime is 1220760197. The next prime is 1220760217. The reversal of 1220760213 is 3120670221.

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

It is not a de Polignac number, because 1220760213 - 2⁴ = 1220760197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220760217) by changing a digit.

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, 8846020 + ... + 8846157.

It is an arithmetic number, because the mean of its divisors is an integer number (212306136).

Almost surely, 2^1220760213 is an apocalyptic number.

It is an amenable number.

1220760213 is a deficient number, since it is larger than the sum of its proper divisors (477688875).

1220760213 is a wasteful number, since it uses less digits than its factorization.

1220760213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17692203.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1220760213 is about 34939.3791158343. The cubic root of 1220760213 is about 1068.7516267408.

The spelling of 1220760213 in words is "one billion, two hundred twenty million, seven hundred sixty thousand, two hundred thirteen".