44100020 has 12 divisors (see below), whose sum is σ = 92610084. Its totient is φ = 17640000.

The previous prime is 44100019. The next prime is 44100029. The reversal of 44100020 is 2000144.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 32512804 = 3404^2 + 5702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44099974 and 44100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44100029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102481 + ... + 1102520.

It is an arithmetic number, because the mean of its divisors is an integer number (7717507).

Almost surely, 2^44100020 is an apocalyptic number.

It is an amenable number.

44100020 is an abundant number, since it is smaller than the sum of its proper divisors (48510064).

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

44100020 is a wasteful number, since it uses less digits than its factorization.

44100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205010 (or 2205008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 44100020 is about 6640.7845921999. The cubic root of 44100020 is about 353.3021352146.

Adding to 44100020 its reverse (2000144), we get a palindrome (46100164).

The spelling of 44100020 in words is "forty-four million, one hundred thousand, twenty".