220401144235 has 16 divisors (see below), whose sum is σ = 276078046464. Its totient is φ = 168595215712.

The previous prime is 220401144151. The next prime is 220401144263. The reversal of 220401144235 is 532441104022.

It is a cyclic number.

It is not a de Polignac number, because 220401144235 - 2¹⁷ = 220401013163 is a prime.

It is a Duffinian 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, 10117 + ... + 664006.

It is an arithmetic number, because the mean of its divisors is an integer number (17254877904).

Almost surely, 2^220401144235 is an apocalyptic number.

220401144235 is a deficient number, since it is larger than the sum of its proper divisors (55676902229).

220401144235 is a wasteful number, since it uses less digits than its factorization.

220401144235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676994.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 220401144235 its reverse (532441104022), we get a palindrome (752842248257).

The spelling of 220401144235 in words is "two hundred twenty billion, four hundred one million, one hundred forty-four thousand, two hundred thirty-five".