2069001280 has 56 divisors (see below), whose sum is σ = 5019809112. Its totient is φ = 811978752.

The previous prime is 2069001247. The next prime is 2069001281. The reversal of 2069001280 is 821009602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 260370496 + 1808630784 = 16136^2 + 42528^2 .

It is not an unprimeable number, because it can be changed into a prime (2069001281) 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, 44037 + ... + 77956.

Almost surely, 2^2069001280 is an apocalyptic number.

2069001280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069001280 is an abundant number, since it is smaller than the sum of its proper divisors (2950807832).

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

2069001280 is a wasteful number, since it uses less digits than its factorization.

2069001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122063 (or 122053 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2069001280 is about 45486.2757323569. The cubic root of 2069001280 is about 1274.2469021769.

The spelling of 2069001280 in words is "two billion, sixty-nine million, one thousand, two hundred eighty".