20440241420 has 24 divisors (see below), whose sum is σ = 45183692400. Its totient is φ = 7745775552.

The previous prime is 20440241417. The next prime is 20440241453. The reversal of 20440241420 is 2414204402.

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, 26894675 + ... + 26895434.

It is an arithmetic number, because the mean of its divisors is an integer number (1882653850).

Almost surely, 2^20440241420 is an apocalyptic number.

20440241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440241420 is an abundant number, since it is smaller than the sum of its proper divisors (24743450980).

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

20440241420 is a wasteful number, since it uses less digits than its factorization.

20440241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53790137 (or 53790135 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20440241420 its reverse (2414204402), we get a palindrome (22854445822).

The spelling of 20440241420 in words is "twenty billion, four hundred forty million, two hundred forty-one thousand, four hundred twenty".