15022444020 has 192 divisors, whose sum is σ = 44936446464. Its totient is φ = 3741337600.

The previous prime is 15022444007. The next prime is 15022444027. The reversal of 15022444020 is 2044422051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15022444027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21429670 + ... + 21430370.

It is an arithmetic number, because the mean of its divisors is an integer number (234043992).

Almost surely, 2^15022444020 is an apocalyptic number.

15022444020 is a gapful number since it is divisible by the number (10) 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 15022444020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22468223232).

15022444020 is an abundant number, since it is smaller than the sum of its proper divisors (29914002444).

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

15022444020 is a wasteful number, since it uses less digits than its factorization.

15022444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 15022444020 its reverse (2044422051), we get a palindrome (17066866071).

The spelling of 15022444020 in words is "fifteen billion, twenty-two million, four hundred forty-four thousand, twenty".