20107444224 has 120 divisors (see below), whose sum is σ = 61279008448. Its totient is φ = 5744885760.

The previous prime is 20107444151. The next prime is 20107444237. The reversal of 20107444224 is 42244470102.

It is a junction number, because it is equal to n+sod(n) for n = 20107444191 and 20107444200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314844 + ... + 373284.

Almost surely, 2^20107444224 is an apocalyptic number.

20107444224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20107444224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30639504224).

20107444224 is an abundant number, since it is smaller than the sum of its proper divisors (41171564224).

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

20107444224 is an frugal number, since it uses more digits than its factorization.

20107444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58479 (or 58453 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The spelling of 20107444224 in words is "twenty billion, one hundred seven million, four hundred forty-four thousand, two hundred twenty-four".