220202002405 has 48 divisors (see below), whose sum is σ = 349964320896. Its totient is φ = 129194081280.

The previous prime is 220202002399. The next prime is 220202002409. The reversal of 220202002405 is 504200202022.

It is not a de Polignac number, because 220202002405 - 2¹¹ = 220202000357 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 (220202002409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 878274 + ... + 1100803.

It is an arithmetic number, because the mean of its divisors is an integer number (7290923352).

Almost surely, 2^220202002405 is an apocalyptic number.

It is an amenable number.

220202002405 is a deficient number, since it is larger than the sum of its proper divisors (129762318491).

220202002405 is a wasteful number, since it uses less digits than its factorization.

220202002405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979134 (or 1979117 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 220202002405 its reverse (504200202022), we get a palindrome (724402204427).

The spelling of 220202002405 in words is "two hundred twenty billion, two hundred two million, two thousand, four hundred five".