15202027140 has 96 divisors (see below), whose sum is σ = 43189614720. Its totient is φ = 3994853376.

The previous prime is 15202027121. The next prime is 15202027177. The reversal of 15202027140 is 4172020251.

It is a super-2 number, since 2×15202027140² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15202027140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1232926 + ... + 1245194.

It is an arithmetic number, because the mean of its divisors is an integer number (449891820).

Almost surely, 2^15202027140 is an apocalyptic number.

15202027140 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 15202027140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21594807360).

15202027140 is an abundant number, since it is smaller than the sum of its proper divisors (27987587580).

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

15202027140 is a wasteful number, since it uses less digits than its factorization.

15202027140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12581 (or 12579 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 15202027140 its reverse (4172020251), we get a palindrome (19374047391).

The spelling of 15202027140 in words is "fifteen billion, two hundred two million, twenty-seven thousand, one hundred forty".