105502420220 has 12 divisors (see below), whose sum is σ = 221555082504. Its totient is φ = 42200968080.

The previous prime is 105502420211. The next prime is 105502420241. The reversal of 105502420220 is 22024205501.

It is a super-2 number, since 2×105502420220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2637560486 + ... + 2637560525.

It is an arithmetic number, because the mean of its divisors is an integer number (18462923542).

Almost surely, 2^105502420220 is an apocalyptic number.

105502420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105502420220 is an abundant number, since it is smaller than the sum of its proper divisors (116052662284).

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

105502420220 is a wasteful number, since it uses less digits than its factorization.

105502420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275121020 (or 5275121018 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 105502420220 its reverse (22024205501), we get a palindrome (127526625721).

The spelling of 105502420220 in words is "one hundred five billion, five hundred two million, four hundred twenty thousand, two hundred twenty".