105650022420 has 72 divisors (see below), whose sum is σ = 320548161024. Its totient is φ = 28166620608.

The previous prime is 105650022391. The next prime is 105650022421. The reversal of 105650022420 is 24220056501.

105650022420 is a `hidden beast` number, since 1 + 0 + 5 + 650 + 0 + 2 + 2 + 4 + 2 + 0 = 666.

It is a super-2 number, since 2×105650022420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105650022421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711037 + ... + 846683.

It is an arithmetic number, because the mean of its divisors is an integer number (4452057792).

Almost surely, 2^105650022420 is an apocalyptic number.

105650022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105650022420 is an abundant number, since it is smaller than the sum of its proper divisors (214898138604).

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

105650022420 is a wasteful number, since it uses less digits than its factorization.

105650022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139989 (or 139984 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 105650022420 its reverse (24220056501), we get a palindrome (129870078921).

The spelling of 105650022420 in words is "one hundred five billion, six hundred fifty million, twenty-two thousand, four hundred twenty".