106020620605 has 4 divisors (see below), whose sum is σ = 127224744732. Its totient is φ = 84816496480.

The previous prime is 106020620593. The next prime is 106020620609. The reversal of 106020620605 is 506026020601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71723802969 + 34296817636 = 267813^2 + 185194^2 .

It is not a de Polignac number, because 106020620605 - 2¹³ = 106020612413 is a prime.

It is a super-2 number, since 2×106020620605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106020620609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10602062056 + ... + 10602062065.

It is an arithmetic number, because the mean of its divisors is an integer number (31806186183).

Almost surely, 2^106020620605 is an apocalyptic number.

It is an amenable number.

106020620605 is a deficient number, since it is larger than the sum of its proper divisors (21204124127).

106020620605 is an equidigital number, since it uses as much as digits as its factorization.

106020620605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204124126.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 106020620605 in words is "one hundred six billion, twenty million, six hundred twenty thousand, six hundred five".