15422142120 has 192 divisors, whose sum is σ = 58120191360. Its totient is φ = 3204579840.

The previous prime is 15422142097. The next prime is 15422142143. The reversal of 15422142120 is 2124122451.

It is an interprime number because it is at equal distance from previous prime (15422142097) and next prime (15422142143).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25774 + ... + 177506.

It is an arithmetic number, because the mean of its divisors is an integer number (302709330).

Almost surely, 2^15422142120 is an apocalyptic number.

15422142120 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 15422142120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29060095680).

15422142120 is an abundant number, since it is smaller than the sum of its proper divisors (42698049240).

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

15422142120 is a wasteful number, since it uses less digits than its factorization.

15422142120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151776 (or 151761 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 15422142120 its reverse (2124122451), we get a palindrome (17546264571).

The spelling of 15422142120 in words is "fifteen billion, four hundred twenty-two million, one hundred forty-two thousand, one hundred twenty".