220420302054405 has 32 divisors (see below), whose sum is σ = 353597055381504. Its totient is φ = 117249310258176.

The previous prime is 220420302054349. The next prime is 220420302054409. The reversal of 220420302054405 is 504450203024022.

It is not a de Polignac number, because 220420302054405 - 2¹² = 220420302050309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220420302054409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847584957 + ... + 847844973.

It is an arithmetic number, because the mean of its divisors is an integer number (11049907980672).

Almost surely, 2^{220420302054405} is an apocalyptic number.

It is an amenable number.

220420302054405 is a deficient number, since it is larger than the sum of its proper divisors (133176753327099).

220420302054405 is a wasteful number, since it uses less digits than its factorization.

220420302054405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407965.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 220420302054405 its reverse (504450203024022), we get a palindrome (724870505078427).

The spelling of 220420302054405 in words is "two hundred twenty trillion, four hundred twenty billion, three hundred two million, fifty-four thousand, four hundred five".