15220202124 has 48 divisors (see below), whose sum is σ = 37255921920. Its totient is φ = 4829455680.

The previous prime is 15220202083. The next prime is 15220202147. The reversal of 15220202124 is 42120202251.

15220202124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15220202124² (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 15220202124.

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 15 ways as a sum of consecutive naturals, for example, 283294 + ... + 332709.

It is an arithmetic number, because the mean of its divisors is an integer number (776165040).

Almost surely, 2^15220202124 is an apocalyptic number.

It is an amenable number.

15220202124 is an abundant number, since it is smaller than the sum of its proper divisors (22035719796).

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

15220202124 is a wasteful number, since it uses less digits than its factorization.

15220202124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616110 (or 616108 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 15220202124 its reverse (42120202251), we get a palindrome (57340404375).

The spelling of 15220202124 in words is "fifteen billion, two hundred twenty million, two hundred two thousand, one hundred twenty-four".