20000350 has 48 divisors (see below), whose sum is σ = 40287600. Its totient is φ = 7361280.

The previous prime is 20000339. The next prime is 20000353. The reversal of 20000350 is 5300002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000353) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 34866 + ... + 35434.

It is an arithmetic number, because the mean of its divisors is an integer number (839325).

Almost surely, 2^20000350 is an apocalyptic number.

20000350 is an abundant number, since it is smaller than the sum of its proper divisors (20287250).

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

20000350 is a wasteful number, since it uses less digits than its factorization.

20000350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 20000350 is about 4472.1750860180. The cubic root of 20000350 is about 271.4433450605.

Adding to 20000350 its reverse (5300002), we get a palindrome (25300352).

The spelling of 20000350 in words is "twenty million, three hundred fifty", and thus it is an aban number.