220413021 has 16 divisors (see below), whose sum is σ = 304772160. Its totient is φ = 141523200.

The previous prime is 220413019. The next prime is 220413031. The reversal of 220413021 is 120314022.

It is not a de Polignac number, because 220413021 - 2¹ = 220413019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220413031) 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, 34746 + ... + 40596.

It is an arithmetic number, because the mean of its divisors is an integer number (19048260).

Almost surely, 2^220413021 is an apocalyptic number.

It is an amenable number.

220413021 is a deficient number, since it is larger than the sum of its proper divisors (84359139).

220413021 is a wasteful number, since it uses less digits than its factorization.

220413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316.

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

The square root of 220413021 is about 14846.3133807690. The cubic root of 220413021 is about 604.0586147303.

Adding to 220413021 its reverse (120314022), we get a palindrome (340727043).

It can be divided in two parts, 2204 and 13021, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 220413021 in words is "two hundred twenty million, four hundred thirteen thousand, twenty-one".