2020388 has 6 divisors (see below), whose sum is σ = 3535686. Its totient is φ = 1010192.

The previous prime is 2020387. The next prime is 2020391. The reversal of 2020388 is 8830202.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 984064 = 1018^2 + 992^2 .

It is not an unprimeable number, because it can be changed into a prime (2020387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252545 + ... + 252552.

It is an arithmetic number, because the mean of its divisors is an integer number (589281).

2^2020388 is an apocalyptic number.

It is an amenable number.

2020388 is a deficient number, since it is larger than the sum of its proper divisors (1515298).

2020388 is a wasteful number, since it uses less digits than its factorization.

2020388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505101 (or 505099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2020388 is about 1421.4035317249. The cubic root of 2020388 is about 126.4187795897.

The spelling of 2020388 in words is "two million, twenty thousand, three hundred eighty-eight".