10505173620 has 48 divisors (see below), whose sum is σ = 29705735808. Its totient is φ = 2773641600.

The previous prime is 10505173603. The next prime is 10505173649. The reversal of 10505173620 is 2637150501.

It is a super-2 number, since 2×10505173620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860704 + ... + 872823.

It is an arithmetic number, because the mean of its divisors is an integer number (618869496).

Almost surely, 2^10505173620 is an apocalyptic number.

10505173620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505173620 is an abundant number, since it is smaller than the sum of its proper divisors (19200562188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505173620 is a wasteful number, since it uses less digits than its factorization.

10505173620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733640 (or 1733638 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 10505173620 in words is "ten billion, five hundred five million, one hundred seventy-three thousand, six hundred twenty".