20444237304 has 32 divisors (see below), whose sum is σ = 51436147920. Its totient is φ = 6771338496.

The previous prime is 20444237299. The next prime is 20444237377. The reversal of 20444237304 is 40373244402.

It is a happy number.

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, 2709109 + ... + 2716644.

Almost surely, 2^20444237304 is an apocalyptic number.

20444237304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20444237304 is an abundant number, since it is smaller than the sum of its proper divisors (30991910616).

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

20444237304 is a wasteful number, since it uses less digits than its factorization.

20444237304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425919 (or 5425915 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 33.

The spelling of 20444237304 in words is "twenty billion, four hundred forty-four million, two hundred thirty-seven thousand, three hundred four".