220021220133 has 32 divisors (see below), whose sum is σ = 382942922880. Its totient is φ = 123088792320.

The previous prime is 220021220113. The next prime is 220021220171. The reversal of 220021220133 is 331022120022.

220021220133 is a `hidden beast` number, since 220 + 0 + 212 + 201 + 33 = 666.

It is not a de Polignac number, because 220021220133 - 2⁵ = 220021220101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021220113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28488916 + ... + 28496637.

It is an arithmetic number, because the mean of its divisors is an integer number (11966966340).

Almost surely, 2^220021220133 is an apocalyptic number.

It is an amenable number.

220021220133 is a deficient number, since it is larger than the sum of its proper divisors (162921702747).

220021220133 is a wasteful number, since it uses less digits than its factorization.

220021220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56985586 (or 56985580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220021220133 its reverse (331022120022), we get a palindrome (551043340155).

The spelling of 220021220133 in words is "two hundred twenty billion, twenty-one million, two hundred twenty thousand, one hundred thirty-three".