102835420550 has 12 divisors (see below), whose sum is σ = 191273882316. Its totient is φ = 41134168200.

The previous prime is 102835420531. The next prime is 102835420553. The reversal of 102835420550 is 55024538201.

It is a self number, because there is not a number n which added to its sum of digits gives 102835420550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102835420553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1028354156 + ... + 1028354255.

It is an arithmetic number, because the mean of its divisors is an integer number (15939490193).

Almost surely, 2^102835420550 is an apocalyptic number.

102835420550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102835420550 is a deficient number, since it is larger than the sum of its proper divisors (88438461766).

102835420550 is a wasteful number, since it uses less digits than its factorization.

102835420550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056708423 (or 2056708418 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 102835420550 its reverse (55024538201), we get a palindrome (157859958751).

The spelling of 102835420550 in words is "one hundred two billion, eight hundred thirty-five million, four hundred twenty thousand, five hundred fifty".