20106564411 has 8 divisors (see below), whose sum is σ = 28385738064. Its totient is φ = 12615883520.

The previous prime is 20106564409. The next prime is 20106564433. The reversal of 20106564411 is 11446560102.

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 20106564411 - 2¹ = 20106564409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20106564481) 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, 197123130 + ... + 197123231.

It is an arithmetic number, because the mean of its divisors is an integer number (3548217258).

Almost surely, 2^20106564411 is an apocalyptic number.

20106564411 is a deficient number, since it is larger than the sum of its proper divisors (8279173653).

20106564411 is a wasteful number, since it uses less digits than its factorization.

20106564411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394246381.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 20106564411 in words is "twenty billion, one hundred six million, five hundred sixty-four thousand, four hundred eleven".