20462660105 has 8 divisors (see below), whose sum is σ = 24557574600. Its totient is φ = 16368539776.

The previous prime is 20462660093. The next prime is 20462660107. The reversal of 20462660105 is 50106626402.

It can be written as a sum of positive squares in 4 ways, for example, as 21381376 + 20441278729 = 4624^2 + 142973^2 .

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 20462660105 - 2⁶ = 20462660041 is a prime.

It is a super-2 number, since 2×20462660105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20462660107) 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, 140300 + ... + 246189.

It is an arithmetic number, because the mean of its divisors is an integer number (3069696825).

Almost surely, 2^20462660105 is an apocalyptic number.

It is an amenable number.

20462660105 is a deficient number, since it is larger than the sum of its proper divisors (4094914495).

20462660105 is a wasteful number, since it uses less digits than its factorization.

20462660105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397083.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20462660105 in words is "twenty billion, four hundred sixty-two million, six hundred sixty thousand, one hundred five".