1920234473 has 24 divisors (see below), whose sum is σ = 2126554632. Its totient is φ = 1726659072.

The previous prime is 1920234443. The next prime is 1920234497. The reversal of 1920234473 is 3744320291.

It can be written as a sum of positive squares in 4 ways, for example, as 1282570969 + 637663504 = 35813^2 + 25252^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1920234473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920234443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2189111 + ... + 2189987.

It is an arithmetic number, because the mean of its divisors is an integer number (88606443).

Almost surely, 2^1920234473 is an apocalyptic number.

It is an amenable number.

1920234473 is a deficient number, since it is larger than the sum of its proper divisors (206320159).

1920234473 is an equidigital number, since it uses as much as digits as its factorization.

1920234473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1920234473 is about 43820.4800635502. The cubic root of 1920234473 is about 1242.9435949143.

The spelling of 1920234473 in words is "one billion, nine hundred twenty million, two hundred thirty-four thousand, four hundred seventy-three".