201224013 has 8 divisors (see below), whose sum is σ = 268386048. Its totient is φ = 134105664.

The previous prime is 201223973. The next prime is 201224021. The reversal of 201224013 is 310422102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201224013 - 2⁶ = 201223949 is a prime.

It is a super-2 number, since 2×201224013² = 80982206815648338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201223983 and 201224001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201224063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 20162.

It is an arithmetic number, because the mean of its divisors is an integer number (33548256).

Almost surely, 2^201224013 is an apocalyptic number.

It is an amenable number.

201224013 is a deficient number, since it is larger than the sum of its proper divisors (67162035).

201224013 is a wasteful number, since it uses less digits than its factorization.

201224013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201224013 is about 14185.3450081413. The cubic root of 201224013 is about 585.9941340217.

Adding to 201224013 its reverse (310422102), we get a palindrome (511646115).

The spelling of 201224013 in words is "two hundred one million, two hundred twenty-four thousand, thirteen".