101650420 has 12 divisors (see below), whose sum is σ = 213465924. Its totient is φ = 40660160.

The previous prime is 101650411. The next prime is 101650441. The reversal of 101650420 is 24056101.

It can be written as a sum of positive squares in 2 ways, for example, as 19820304 + 81830116 = 4452^2 + 9046^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541241 + ... + 2541280.

It is an arithmetic number, because the mean of its divisors is an integer number (17788827).

Almost surely, 2^101650420 is an apocalyptic number.

101650420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101650420 is an abundant number, since it is smaller than the sum of its proper divisors (111815504).

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

101650420 is a wasteful number, since it uses less digits than its factorization.

101650420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082530 (or 5082528 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101650420 is about 10082.1832952987. The cubic root of 101650420 is about 466.6984864924.

The spelling of 101650420 in words is "one hundred one million, six hundred fifty thousand, four hundred twenty".