20350011 has 16 divisors (see below), whose sum is σ = 29772288. Its totient is φ = 12261600.

The previous prime is 20349997. The next prime is 20350049. The reversal of 20350011 is 11005302.

It is not a de Polignac number, because 20350011 - 2⁶ = 20349947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20350081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4270 + ... + 7676.

It is an arithmetic number, because the mean of its divisors is an integer number (1860768).

Almost surely, 2^20350011 is an apocalyptic number.

20350011 is a deficient number, since it is larger than the sum of its proper divisors (9422277).

20350011 is a wasteful number, since it uses less digits than its factorization.

20350011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

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

The square root of 20350011 is about 4511.0986466713. The cubic root of 20350011 is about 273.0160733334.

Adding to 20350011 its reverse (11005302), we get a palindrome (31355313).

The spelling of 20350011 in words is "twenty million, three hundred fifty thousand, eleven".