20103002011 has 4 divisors (see below), whose sum is σ = 20130962400. Its totient is φ = 20075041624.

The previous prime is 20103001987. The next prime is 20103002057. The reversal of 20103002011 is 11020030102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20103002011 - 2⁵ = 20103001979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103012011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13979116 + ... + 13980553.

It is an arithmetic number, because the mean of its divisors is an integer number (5032740600).

Almost surely, 2^20103002011 is an apocalyptic number.

20103002011 is a deficient number, since it is larger than the sum of its proper divisors (27960389).

20103002011 is an equidigital number, since it uses as much as digits as its factorization.

20103002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27960388.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20103002011 its reverse (11020030102), we get a palindrome (31123032113).

The spelling of 20103002011 in words is "twenty billion, one hundred three million, two thousand, eleven".