15830020772 has 12 divisors (see below), whose sum is σ = 29160564720. Its totient is φ = 7498430856.

The previous prime is 15830020751. The next prime is 15830020793. The reversal of 15830020772 is 27702003851.

It is an interprime number because it is at equal distance from previous prime (15830020751) and next prime (15830020793).

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 3 ways as a sum of consecutive naturals, for example, 104144798 + ... + 104144949.

It is an arithmetic number, because the mean of its divisors is an integer number (2430047060).

Almost surely, 2^15830020772 is an apocalyptic number.

It is an amenable number.

15830020772 is a deficient number, since it is larger than the sum of its proper divisors (13330543948).

15830020772 is a wasteful number, since it uses less digits than its factorization.

15830020772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208289770 (or 208289768 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 15830020772 in words is "fifteen billion, eight hundred thirty million, twenty thousand, seven hundred seventy-two".