10101440435220 has 36 divisors (see below), whose sum is σ = 30641035987380. Its totient is φ = 2693717449344.

The previous prime is 10101440435137. The next prime is 10101440435243. The reversal of 10101440435220 is 2253404410101.

10101440435220 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 1 + 4 + 4 + 0 + 435 + 220 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6679547208324 + 3421893226896 = 2584482^2 + 1849836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28059556585 + ... + 28059556944.

Almost surely, 2^{10101440435220} is an apocalyptic number.

10101440435220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101440435220 is an abundant number, since it is smaller than the sum of its proper divisors (20539595552160).

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

10101440435220 is a wasteful number, since it uses less digits than its factorization.

10101440435220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56119113544 (or 56119113539 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 10101440435220 its reverse (2253404410101), we get a palindrome (12354844845321).

The spelling of 10101440435220 in words is "ten trillion, one hundred one billion, four hundred forty million, four hundred thirty-five thousand, two hundred twenty".