20031050 has 24 divisors (see below), whose sum is σ = 40125036. Its totient is φ = 7395840.

The previous prime is 20031047. The next prime is 20031059. The reversal of 20031050 is 5013002.

It can be written as a sum of positive squares in 6 ways, for example, as 485809 + 19545241 = 697^2 + 4421^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20031059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14759 + ... + 16058.

Almost surely, 2^20031050 is an apocalyptic number.

20031050 is an abundant number, since it is smaller than the sum of its proper divisors (20093986).

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

20031050 is a wasteful number, since it uses less digits than its factorization.

20031050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30842 (or 30837 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 20031050 is about 4475.6061042053. The cubic root of 20031050 is about 271.5821601400.

Adding to 20031050 its reverse (5013002), we get a palindrome (25044052).

The spelling of 20031050 in words is "twenty million, thirty-one thousand, fifty".