220040022021 has 8 divisors (see below), whose sum is σ = 297405692160. Its totient is φ = 144683849952.

The previous prime is 220040022001. The next prime is 220040022031. The reversal of 220040022021 is 120220040022.

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

It is not a de Polignac number, because 220040022021 - 2¹¹ = 220040019973 is a prime.

It is a super-2 number, since 2×220040022021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220040022001) 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, 502374261 + ... + 502374698.

It is an arithmetic number, because the mean of its divisors is an integer number (37175711520).

Almost surely, 2^220040022021 is an apocalyptic number.

It is an amenable number.

220040022021 is a deficient number, since it is larger than the sum of its proper divisors (77365670139).

220040022021 is a wasteful number, since it uses less digits than its factorization.

220040022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004749035.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220040022021 its reverse (120220040022), we get a palindrome (340260062043).

The spelling of 220040022021 in words is "two hundred twenty billion, forty million, twenty-two thousand, twenty-one".