20201012 has 12 divisors (see below), whose sum is σ = 38071236. Its totient is φ = 9323520.

The previous prime is 20200993. The next prime is 20201021. The reversal of 20201012 is 21010202.

It can be written as a sum of positive squares in 2 ways, for example, as 10995856 + 9205156 = 3316^2 + 3034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194189 + ... + 194292.

It is an arithmetic number, because the mean of its divisors is an integer number (3172603).

Almost surely, 2^20201012 is an apocalyptic number.

It is an amenable number.

20201012 is a deficient number, since it is larger than the sum of its proper divisors (17870224).

20201012 is a wasteful number, since it uses less digits than its factorization.

20201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388498 (or 388496 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20201012 is about 4494.5535929612. The cubic root of 20201012 is about 272.3481161286.

Adding to 20201012 its reverse (21010202), we get a palindrome (41211214).

The spelling of 20201012 in words is "twenty million, two hundred one thousand, twelve".