2020786394 has 24 divisors (see below), whose sum is σ = 3476662560. Its totient is φ = 878600360.

The previous prime is 2020786387. The next prime is 2020786409. The reversal of 2020786394 is 4936870202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175964 + ... + 187095.

It is an arithmetic number, because the mean of its divisors is an integer number (144860940).

Almost surely, 2^2020786394 is an apocalyptic number.

2020786394 is a deficient number, since it is larger than the sum of its proper divisors (1455876166).

2020786394 is a wasteful number, since it uses less digits than its factorization.

2020786394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363106 (or 363095 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2020786394 is about 44953.1577756224. The cubic root of 2020786394 is about 1264.2708841836.

It can be divided in two parts, 20207 and 86394, that added together give a palindrome (106601).

The spelling of 2020786394 in words is "two billion, twenty million, seven hundred eighty-six thousand, three hundred ninety-four".