220405032623 has 16 divisors (see below), whose sum is σ = 239089929120. Its totient is φ = 202356864000.

The previous prime is 220405032611. The next prime is 220405032629. The reversal of 220405032623 is 326230504022.

It is a cyclic number.

It is not a de Polignac number, because 220405032623 - 2¹² = 220405028527 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 (220405032629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9363593 + ... + 9387101.

It is an arithmetic number, because the mean of its divisors is an integer number (14943120570).

Almost surely, 2^220405032623 is an apocalyptic number.

220405032623 is a deficient number, since it is larger than the sum of its proper divisors (18684896497).

220405032623 is a wasteful number, since it uses less digits than its factorization.

220405032623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37018.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 220405032623 its reverse (326230504022), we get a palindrome (546635536645).

The spelling of 220405032623 in words is "two hundred twenty billion, four hundred five million, thirty-two thousand, six hundred twenty-three".