220033032021 has 12 divisors (see below), whose sum is σ = 346718717280. Its totient is φ = 133353352680.

The previous prime is 220033032017. The next prime is 220033032047. The reversal of 220033032021 is 120230330022.

It is a happy number.

It is not a de Polignac number, because 220033032021 - 2² = 220033032017 is a prime.

It is a super-2 number, since 2×220033032021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220033031985 and 220033032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220033032221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111277841 + ... + 1111278038.

It is an arithmetic number, because the mean of its divisors is an integer number (28893226440).

Almost surely, 2^220033032021 is an apocalyptic number.

It is an amenable number.

220033032021 is a deficient number, since it is larger than the sum of its proper divisors (126685685259).

220033032021 is a wasteful number, since it uses less digits than its factorization.

220033032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222555896 (or 2222555893 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 220033032021 its reverse (120230330022), we get a palindrome (340263362043).

The spelling of 220033032021 in words is "two hundred twenty billion, thirty-three million, thirty-two thousand, twenty-one".