2065021572 has 24 divisors (see below), whose sum is σ = 4847948896. Its totient is φ = 684116928.

The previous prime is 2065021561. The next prime is 2065021573. The reversal of 2065021572 is 2751205602.

It is not an unprimeable number, because it can be changed into a prime (2065021573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525913 + ... + 529824.

Almost surely, 2^2065021572 is an apocalyptic number.

It is an amenable number.

2065021572 is an abundant number, since it is smaller than the sum of its proper divisors (2782927324).

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

2065021572 is a wasteful number, since it uses less digits than its factorization.

2065021572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055907 (or 1055905 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2065021572 is about 45442.5084254820. The cubic root of 2065021572 is about 1273.4293764226.

The spelling of 2065021572 in words is "two billion, sixty-five million, twenty-one thousand, five hundred seventy-two".