20424660105 has 16 divisors (see below), whose sum is σ = 32727743424. Its totient is φ = 10877056320.

The previous prime is 20424660101. The next prime is 20424660119. The reversal of 20424660105 is 50106642402.

It is not a de Polignac number, because 20424660105 - 2² = 20424660101 is a prime.

It is a super-2 number, since 2×20424660105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20424660101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995491 + ... + 1015800.

It is an arithmetic number, because the mean of its divisors is an integer number (2045483964).

Almost surely, 2^20424660105 is an apocalyptic number.

It is an amenable number.

20424660105 is a deficient number, since it is larger than the sum of its proper divisors (12303083319).

20424660105 is a wasteful number, since it uses less digits than its factorization.

20424660105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011976.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20424660105 in words is "twenty billion, four hundred twenty-four million, six hundred sixty thousand, one hundred five".