20000040283 has 4 divisors (see below), whose sum is σ = 20002079160. Its totient is φ = 19998001408.

The previous prime is 20000040271. The next prime is 20000040317. The reversal of 20000040283 is 38204000002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000040283 is a prime.

It is a super-2 number, since 2×20000040283² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000040283.

It is not an unprimeable number, because it can be changed into a prime (20000040223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004653 + ... + 1024366.

It is an arithmetic number, because the mean of its divisors is an integer number (5000519790).

Almost surely, 2^20000040283 is an apocalyptic number.

20000040283 is a deficient number, since it is larger than the sum of its proper divisors (2038877).

20000040283 is an equidigital number, since it uses as much as digits as its factorization.

20000040283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038876.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20000040283 its reverse (38204000002), we get a palindrome (58204040285).

The spelling of 20000040283 in words is "twenty billion, forty thousand, two hundred eighty-three".