44201421020 has 48 divisors (see below), whose sum is σ = 98806327200. Its totient is φ = 16561797120.

The previous prime is 44201421007. The next prime is 44201421031. The reversal of 44201421020 is 2012410244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44201420983 and 44201421001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619661 + ... + 687300.

It is an arithmetic number, because the mean of its divisors is an integer number (2058465150).

Almost surely, 2^44201421020 is an apocalyptic number.

It is an amenable number.

44201421020 is an abundant number, since it is smaller than the sum of its proper divisors (54604906180).

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

44201421020 is a wasteful number, since it uses less digits than its factorization.

44201421020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307078 (or 1307076 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 44201421020 its reverse (2012410244), we get a palindrome (46213831264).

The spelling of 44201421020 in words is "forty-four billion, two hundred one million, four hundred twenty-one thousand, twenty".