20413313111 has 8 divisors (see below), whose sum is σ = 20639401344. Its totient is φ = 20187695200.

The previous prime is 20413313099. The next prime is 20413313131. The reversal of 20413313111 is 11131331402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413313111 - 2⁶ = 20413313047 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 (20413313131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29936 + ... + 204261.

It is an arithmetic number, because the mean of its divisors is an integer number (2579925168).

Almost surely, 2^20413313111 is an apocalyptic number.

20413313111 is a deficient number, since it is larger than the sum of its proper divisors (226088233).

20413313111 is a wasteful number, since it uses less digits than its factorization.

20413313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235161.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20413313111 its reverse (11131331402), we get a palindrome (31544644513).

The spelling of 20413313111 in words is "twenty billion, four hundred thirteen million, three hundred thirteen thousand, one hundred eleven".