15220120014 has 24 divisors (see below), whose sum is σ = 35974829592. Its totient is φ = 4612157520.

The previous prime is 15220119953. The next prime is 15220120021. The reversal of 15220120014 is 41002102251.

15220120014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38434449 + ... + 38434844.

It is an arithmetic number, because the mean of its divisors is an integer number (1498951233).

Almost surely, 2^15220120014 is an apocalyptic number.

15220120014 is an abundant number, since it is smaller than the sum of its proper divisors (20754709578).

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

15220120014 is a wasteful number, since it uses less digits than its factorization.

15220120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76869312 (or 76869309 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 15220120014 its reverse (41002102251), we get a palindrome (56222222265).

The spelling of 15220120014 in words is "fifteen billion, two hundred twenty million, one hundred twenty thousand, fourteen".