20242251360 has 144 divisors (see below), whose sum is σ = 69140451744. Its totient is φ = 5392951296.

The previous prime is 20242251349. The next prime is 20242251371. The reversal of 20242251360 is 6315224202.

It is a happy number.

20242251360 is a `hidden beast` number, since 202 + 422 + 5 + 1 + 36 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20242251349) and next prime (20242251371).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1712029 + ... + 1723811.

It is an arithmetic number, because the mean of its divisors is an integer number (480142026).

Almost surely, 2^20242251360 is an apocalyptic number.

20242251360 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 20242251360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34570225872).

20242251360 is an abundant number, since it is smaller than the sum of its proper divisors (48898200384).

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

20242251360 is a wasteful number, since it uses less digits than its factorization.

20242251360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997 (or 12986 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20242251360 its reverse (6315224202), we get a palindrome (26557475562).

The spelling of 20242251360 in words is "twenty billion, two hundred forty-two million, two hundred fifty-one thousand, three hundred sixty".