2020402186 has 16 divisors (see below), whose sum is σ = 3306806208. Its totient is φ = 918172000.

The previous prime is 2020402147. The next prime is 2020402211. The reversal of 2020402186 is 6812040202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020402186.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185286 + ... + 195886.

It is an arithmetic number, because the mean of its divisors is an integer number (206675388).

Almost surely, 2^2020402186 is an apocalyptic number.

2020402186 is a deficient number, since it is larger than the sum of its proper divisors (1286404022).

2020402186 is a wasteful number, since it uses less digits than its factorization.

2020402186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2020402186 is about 44948.8841463278. The cubic root of 2020402186 is about 1264.1907546893.

Adding to 2020402186 its reverse (6812040202), we get a palindrome (8832442388).

The spelling of 2020402186 in words is "two billion, twenty million, four hundred two thousand, one hundred eighty-six".