2069215240 has 48 divisors (see below), whose sum is σ = 4867008300. Its totient is φ = 791691648.

The previous prime is 2069215237. The next prime is 2069215243. The reversal of 2069215240 is 425129602.

It is an interprime number because it is at equal distance from previous prime (2069215237) and next prime (2069215243).

It can be written as a sum of positive squares in 2 ways, for example, as 2061341604 + 7873636 = 45402^2 + 2806^2 .

It is not an unprimeable number, because it can be changed into a prime (2069215243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27735 + ... + 70054.

Almost surely, 2^2069215240 is an apocalyptic number.

2069215240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2069215240 is an abundant number, since it is smaller than the sum of its proper divisors (2797793060).

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

2069215240 is a wasteful number, since it uses less digits than its factorization.

2069215240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97846 (or 97819 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2069215240 is about 45488.6275897614. The cubic root of 2069215240 is about 1274.2908248934.

The spelling of 2069215240 in words is "two billion, sixty-nine million, two hundred fifteen thousand, two hundred forty".