1920633625 has 16 divisors (see below), whose sum is σ = 2398256640. Its totient is φ = 1535670000.

The previous prime is 1920633593. The next prime is 1920633641. The reversal of 1920633625 is 5263360291.

It is not a de Polignac number, because 1920633625 - 2⁵ = 1920633593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337050 + ... + 342700.

It is an arithmetic number, because the mean of its divisors is an integer number (149891040).

Almost surely, 2^1920633625 is an apocalyptic number.

It is an amenable number.

1920633625 is a deficient number, since it is larger than the sum of its proper divisors (477623015).

1920633625 is an equidigital number, since it uses as much as digits as its factorization.

1920633625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1920633625 is about 43825.0342270260. The cubic root of 1920633625 is about 1243.0297109689.

The spelling of 1920633625 in words is "one billion, nine hundred twenty million, six hundred thirty-three thousand, six hundred twenty-five".