220270501 has 4 divisors (see below), whose sum is σ = 240295104. Its totient is φ = 200245900.

The previous prime is 220270499. The next prime is 220270507. The reversal of 220270501 is 105072022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220270501 - 2¹ = 220270499 is a prime.

It is a super-2 number, since 2×220270501² = 97038187221582002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220270507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10012285 + ... + 10012306.

It is an arithmetic number, because the mean of its divisors is an integer number (60073776).

Almost surely, 2^220270501 is an apocalyptic number.

It is an amenable number.

220270501 is a deficient number, since it is larger than the sum of its proper divisors (20024603).

220270501 is a wasteful number, since it uses less digits than its factorization.

220270501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024602.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 220270501 is about 14841.5127598234. The cubic root of 220270501 is about 603.9283910325.

The spelling of 220270501 in words is "two hundred twenty million, two hundred seventy thousand, five hundred one".