33220021132 has 6 divisors (see below), whose sum is σ = 58135036988. Its totient is φ = 16610010564.

The previous prime is 33220021069. The next prime is 33220021157. The reversal of 33220021132 is 23112002233.

It is a super-2 number, since 2×33220021132² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4152502638 + ... + 4152502645.

Almost surely, 2^33220021132 is an apocalyptic number.

It is an amenable number.

33220021132 is a deficient number, since it is larger than the sum of its proper divisors (24915015856).

33220021132 is a wasteful number, since it uses less digits than its factorization.

33220021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305005287 (or 8305005285 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33220021132 its reverse (23112002233), we get a palindrome (56332023365).

The spelling of 33220021132 in words is "thirty-three billion, two hundred twenty million, twenty-one thousand, one hundred thirty-two".