220097405 has 8 divisors (see below), whose sum is σ = 288127584. Its totient is φ = 160070800.

The previous prime is 220097401. The next prime is 220097413. The reversal of 220097405 is 504790022.

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

It is not a de Polignac number, because 220097405 - 2² = 220097401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220097401) 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, 2000831 + ... + 2000940.

It is an arithmetic number, because the mean of its divisors is an integer number (36015948).

Almost surely, 2^220097405 is an apocalyptic number.

It is an amenable number.

220097405 is a deficient number, since it is larger than the sum of its proper divisors (68030179).

220097405 is a wasteful number, since it uses less digits than its factorization.

220097405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001787.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 220097405 is about 14835.6801327071. The cubic root of 220097405 is about 603.7701537994.

The spelling of 220097405 in words is "two hundred twenty million, ninety-seven thousand, four hundred five".