10420550605 has 8 divisors (see below), whose sum is σ = 13240229112. Its totient is φ = 7846061568.

The previous prime is 10420550579. The next prime is 10420550617. The reversal of 10420550605 is 50605502401.

It can be written as a sum of positive squares in 4 ways, for example, as 1493513316 + 8927037289 = 38646^2 + 94483^2 .

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 10420550605 - 2²¹ = 10418453453 is a prime.

It is a super-2 number, since 2×10420550605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61297272 + ... + 61297441.

It is an arithmetic number, because the mean of its divisors is an integer number (1655028639).

Almost surely, 2^10420550605 is an apocalyptic number.

It is an amenable number.

10420550605 is a deficient number, since it is larger than the sum of its proper divisors (2819678507).

10420550605 is a wasteful number, since it uses less digits than its factorization.

10420550605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122594735.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 10420550605 in words is "ten billion, four hundred twenty million, five hundred fifty thousand, six hundred five".