2065430900 has 36 divisors (see below), whose sum is σ = 4826756172. Its totient is φ = 762620160.

The previous prime is 2065430897. The next prime is 2065430947. The reversal of 2065430900 is 90345602.

It can be written as a sum of positive squares in 6 ways, for example, as 832437904 + 1232992996 = 28852^2 + 35114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793097 + ... + 795696.

Almost surely, 2^2065430900 is an apocalyptic number.

2065430900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065430900 is an abundant number, since it is smaller than the sum of its proper divisors (2761325272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065430900 is a wasteful number, since it uses less digits than its factorization.

2065430900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588820 (or 1588813 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2065430900 is about 45447.0120029909. The cubic root of 2065430900 is about 1273.5135104691.

The spelling of 2065430900 in words is "two billion, sixty-five million, four hundred thirty thousand, nine hundred".