1920630596 has 12 divisors (see below), whose sum is σ = 3361411452. Its totient is φ = 960227328.

The previous prime is 1920630583. The next prime is 1920630601. The reversal of 1920630596 is 6950360291.

It can be written as a sum of positive squares in 2 ways, for example, as 172554496 + 1748076100 = 13136^2 + 41810^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68516 + ... + 92388.

It is an arithmetic number, because the mean of its divisors is an integer number (280117621).

Almost surely, 2^1920630596 is an apocalyptic number.

It is an amenable number.

1920630596 is a deficient number, since it is larger than the sum of its proper divisors (1440780856).

1920630596 is a wasteful number, since it uses less digits than its factorization.

1920630596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43990 (or 43988 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1920630596 is about 43824.9996691386. Note that the first 3 decimals coincide. The cubic root of 1920630596 is about 1243.0290575146.

The spelling of 1920630596 in words is "one billion, nine hundred twenty million, six hundred thirty thousand, five hundred ninety-six".