20002277115 has 48 divisors (see below), whose sum is σ = 35603463168. Its totient is φ = 10384028928.

The previous prime is 20002277111. The next prime is 20002277117. The reversal of 20002277115 is 51177220002.

It is not a de Polignac number, because 20002277115 - 2² = 20002277111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002277111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269877 + ... + 335913.

It is an arithmetic number, because the mean of its divisors is an integer number (741738816).

Almost surely, 2^20002277115 is an apocalyptic number.

20002277115 is a deficient number, since it is larger than the sum of its proper divisors (15601186053).

20002277115 is a wasteful number, since it uses less digits than its factorization.

20002277115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66228 (or 66225 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

Adding to 20002277115 its reverse (51177220002), we get a palindrome (71179497117).

The spelling of 20002277115 in words is "twenty billion, two million, two hundred seventy-seven thousand, one hundred fifteen".