20444722760 has 384 divisors, whose sum is σ = 63603792000. Its totient is φ = 5825433600.

The previous prime is 20444722759. The next prime is 20444722769. The reversal of 20444722760 is 6722744402.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (20444722769) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11878700 + ... + 11880420.

It is an arithmetic number, because the mean of its divisors is an integer number (165634875).

Almost surely, 2^20444722760 is an apocalyptic number.

20444722760 is a gapful number since it is divisible by the number (20) 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 20444722760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31801896000).

20444722760 is an abundant number, since it is smaller than the sum of its proper divisors (43159069240).

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

20444722760 is a wasteful number, since it uses less digits than its factorization.

20444722760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 20444722760 in words is "twenty billion, four hundred forty-four million, seven hundred twenty-two thousand, seven hundred sixty".