20624340411 has 12 divisors (see below), whose sum is σ = 29796135720. Its totient is φ = 13747057920.

The previous prime is 20624340383. The next prime is 20624340433. The reversal of 20624340411 is 11404342602.

It is a happy number.

20624340411 is a `hidden beast` number, since 2 + 0 + 6 + 243 + 4 + 0 + 411 = 666.

It is not a de Polignac number, because 20624340411 - 2²⁵ = 20590785979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20624340481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155625 + ... + 255866.

It is an arithmetic number, because the mean of its divisors is an integer number (2483011310).

Almost surely, 2^20624340411 is an apocalyptic number.

20624340411 is a deficient number, since it is larger than the sum of its proper divisors (9171795309).

20624340411 is a wasteful number, since it uses less digits than its factorization.

20624340411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417066 (or 417063 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 20624340411 in words is "twenty billion, six hundred twenty-four million, three hundred forty thousand, four hundred eleven".