1930220011 has 4 divisors (see below), whose sum is σ = 1961863024. Its totient is φ = 1898577000.

The previous prime is 1930220003. The next prime is 1930220023. The reversal of 1930220011 is 1100220391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1930220011 - 2³ = 1930220003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930220081) 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, 15821415 + ... + 15821536.

It is an arithmetic number, because the mean of its divisors is an integer number (490465756).

Almost surely, 2^1930220011 is an apocalyptic number.

1930220011 is a deficient number, since it is larger than the sum of its proper divisors (31643013).

1930220011 is an equidigital number, since it uses as much as digits as its factorization.

1930220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31643012.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1930220011 is about 43934.2692098093. The cubic root of 1930220011 is about 1245.0943754096.

The spelling of 1930220011 in words is "one billion, nine hundred thirty million, two hundred twenty thousand, eleven".