20102404011 has 8 divisors (see below), whose sum is σ = 26860601664. Its totient is φ = 13372904520.

The previous prime is 20102403989. The next prime is 20102404033. The reversal of 20102404011 is 11040420102.

It is an interprime number because it is at equal distance from previous prime (20102403989) and next prime (20102404033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20102404011 - 2¹⁰ = 20102402987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102409011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7172905 + ... + 7175706.

It is an arithmetic number, because the mean of its divisors is an integer number (3357575208).

Almost surely, 2^20102404011 is an apocalyptic number.

20102404011 is a deficient number, since it is larger than the sum of its proper divisors (6758197653).

20102404011 is a wasteful number, since it uses less digits than its factorization.

20102404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349081.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102404011 its reverse (11040420102), we get a palindrome (31142824113).

The spelling of 20102404011 in words is "twenty billion, one hundred two million, four hundred four thousand, eleven".