220215405245 has 16 divisors (see below), whose sum is σ = 295313256000. Its totient is φ = 156250396800.

The previous prime is 220215405187. The next prime is 220215405269. The reversal of 220215405245 is 542504512022.

It is a de Polignac number, because none of the positive numbers 2^k-220215405245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48825995 + ... + 48830504.

It is an arithmetic number, because the mean of its divisors is an integer number (18457078500).

Almost surely, 2^220215405245 is an apocalyptic number.

It is an amenable number.

220215405245 is a deficient number, since it is larger than the sum of its proper divisors (75097850755).

220215405245 is a wasteful number, since it uses less digits than its factorization.

220215405245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97656556.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 220215405245 its reverse (542504512022), we get a palindrome (762719917267).

The spelling of 220215405245 in words is "two hundred twenty billion, two hundred fifteen million, four hundred five thousand, two hundred forty-five".