1930220384 has 12 divisors (see below), whose sum is σ = 3800121444. Its totient is φ = 965110176.

The previous prime is 1930220311. The next prime is 1930220399. The reversal of 1930220384 is 4830220391.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 60319387 = 1930220384 / (1 + 9 + 3 + 0 + 2 + 2 + 0 + 3 + 8 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 1930220384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30159662 + ... + 30159725.

It is an arithmetic number, because the mean of its divisors is an integer number (316676787).

Almost surely, 2^1930220384 is an apocalyptic number.

It is an amenable number.

1930220384 is a deficient number, since it is larger than the sum of its proper divisors (1869901060).

1930220384 is an equidigital number, since it uses as much as digits as its factorization.

1930220384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60319397 (or 60319389 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1930220384 is about 43934.2734547870. The cubic root of 1930220384 is about 1245.0944556111.

The spelling of 1930220384 in words is "one billion, nine hundred thirty million, two hundred twenty thousand, three hundred eighty-four".