215020244401 has 8 divisors (see below), whose sum is σ = 216661963104. Its totient is φ = 213384400320.

The previous prime is 215020244377. The next prime is 215020244503. The reversal of 215020244401 is 104442020512.

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 215020244401 - 2¹⁵ = 215020211633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215020274401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395160 + ... + 1541593.

It is an arithmetic number, because the mean of its divisors is an integer number (27082745388).

Almost surely, 2^215020244401 is an apocalyptic number.

It is an amenable number.

215020244401 is a deficient number, since it is larger than the sum of its proper divisors (1641718703).

215020244401 is a wasteful number, since it uses less digits than its factorization.

215020244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937311.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 215020244401 its reverse (104442020512), we get a palindrome (319462264913).

The spelling of 215020244401 in words is "two hundred fifteen billion, twenty million, two hundred forty-four thousand, four hundred one".