220401351 has 16 divisors (see below), whose sum is σ = 337054720. Its totient is φ = 142193880.

The previous prime is 220401329. The next prime is 220401371. The reversal of 220401351 is 153104022.

220401351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220401351 - 2¹¹ = 220399303 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 (220401371) 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, 130825 + ... + 132498.

It is an arithmetic number, because the mean of its divisors is an integer number (21065920).

Almost surely, 2^220401351 is an apocalyptic number.

220401351 is a deficient number, since it is larger than the sum of its proper divisors (116653369).

220401351 is a wasteful number, since it uses less digits than its factorization.

220401351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263363 (or 263357 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 220401351 is about 14845.9203487019. The cubic root of 220401351 is about 604.0479537019.

Adding to 220401351 its reverse (153104022), we get a palindrome (373505373).

The spelling of 220401351 in words is "two hundred twenty million, four hundred one thousand, three hundred fifty-one".