20131050 has 24 divisors (see below), whose sum is σ = 49925376. Its totient is φ = 5368240.

The previous prime is 20131031. The next prime is 20131061. The reversal of 20131050 is 5013102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66954 + ... + 67253.

It is an arithmetic number, because the mean of its divisors is an integer number (2080224).

Almost surely, 2^20131050 is an apocalyptic number.

20131050 is an abundant number, since it is smaller than the sum of its proper divisors (29794326).

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

20131050 is a wasteful number, since it uses less digits than its factorization.

20131050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134222 (or 134217 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 20131050 is about 4486.7638671987. The cubic root of 20131050 is about 272.0333454649.

Adding to 20131050 its reverse (5013102), we get a palindrome (25144152).

The spelling of 20131050 in words is "twenty million, one hundred thirty-one thousand, fifty".