20350206 has 24 divisors (see below), whose sum is σ = 44591040. Its totient is φ = 6706656.

The previous prime is 20350181. The next prime is 20350217. The reversal of 20350206 is 60205302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4750 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (1857960).

Almost surely, 2^20350206 is an apocalyptic number.

20350206 is an abundant number, since it is smaller than the sum of its proper divisors (24240834).

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

20350206 is a wasteful number, since it uses less digits than its factorization.

20350206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800 (or 12797 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20350206 is about 4511.1202599798. The cubic root of 20350206 is about 273.0169453717.

Adding to 20350206 its reverse (60205302), we get a palindrome (80555508).

The spelling of 20350206 in words is "twenty million, three hundred fifty thousand, two hundred six".