20202012 has 36 divisors (see below), whose sum is σ = 52315536. Its totient is φ = 6569280.

The previous prime is 20202011. The next prime is 20202019. The reversal of 20202012 is 21020202.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20201985 and 20202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5368 + ... + 8319.

Almost surely, 2^20202012 is an apocalyptic number.

It is an amenable number.

20202012 is an abundant number, since it is smaller than the sum of its proper divisors (32113524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202012 is a wasteful number, since it uses less digits than its factorization.

20202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738 (or 13733 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 20202012 is about 4494.6648373377. The cubic root of 20202012 is about 272.3526100227.

Adding to 20202012 its reverse (21020202), we get a palindrome (41222214).

The spelling of 20202012 in words is "twenty million, two hundred two thousand, twelve".