15200220155 has 8 divisors (see below), whose sum is σ = 18241146672. Its totient is φ = 12159587808.

The previous prime is 15200220053. The next prime is 15200220163. The reversal of 15200220155 is 55102200251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15200220155 - 2²² = 15196025851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15200220155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63284 + ... + 185486.

It is an arithmetic number, because the mean of its divisors is an integer number (2280143334).

Almost surely, 2^15200220155 is an apocalyptic number.

15200220155 is a deficient number, since it is larger than the sum of its proper divisors (3040926517).

15200220155 is a wasteful number, since it uses less digits than its factorization.

15200220155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147085.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 15200220155 in words is "fifteen billion, two hundred million, two hundred twenty thousand, one hundred fifty-five".