20412020311 has 4 divisors (see below), whose sum is σ = 20614119624. Its totient is φ = 20209921000.

The previous prime is 20412020297. The next prime is 20412020351. The reversal of 20412020311 is 11302021402.

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 20412020311 - 2¹³ = 20412012119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412020351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101049505 + ... + 101049706.

It is an arithmetic number, because the mean of its divisors is an integer number (5153529906).

Almost surely, 2^20412020311 is an apocalyptic number.

20412020311 is a deficient number, since it is larger than the sum of its proper divisors (202099313).

20412020311 is a wasteful number, since it uses less digits than its factorization.

20412020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202099312.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20412020311 its reverse (11302021402), we get a palindrome (31714041713).

The spelling of 20412020311 in words is "twenty billion, four hundred twelve million, twenty thousand, three hundred eleven".