20203012 has 12 divisors (see below), whose sum is σ = 35395276. Its totient is φ = 10090080.

The previous prime is 20203003. The next prime is 20203049. The reversal of 20203012 is 21030202.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 4946176 = 3906^2 + 2224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20203012.

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, 2062 + ... + 6682.

Almost surely, 2^20203012 is an apocalyptic number.

It is an amenable number.

20203012 is a deficient number, since it is larger than the sum of its proper divisors (15192264).

20203012 is a wasteful number, since it uses less digits than its factorization.

20203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20203012 is about 4494.7760789610. The cubic root of 20203012 is about 272.3571037684.

Adding to 20203012 its reverse (21030202), we get a palindrome (41233214).

The spelling of 20203012 in words is "twenty million, two hundred three thousand, twelve".