20442224133 has 12 divisors (see below), whose sum is σ = 30155905728. Its totient is φ = 13338188520.

The previous prime is 20442224129. The next prime is 20442224167. The reversal of 20442224133 is 33142224402.

20442224133 is a `hidden beast` number, since 20 + 4 + 4 + 222 + 413 + 3 = 666.

It is not a de Polignac number, because 20442224133 - 2² = 20442224129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20442224097 and 20442224106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442224233) 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, 24162963 + ... + 24163808.

It is an arithmetic number, because the mean of its divisors is an integer number (2512992144).

Almost surely, 2^20442224133 is an apocalyptic number.

It is an amenable number.

20442224133 is a deficient number, since it is larger than the sum of its proper divisors (9713681595).

20442224133 is a wasteful number, since it uses less digits than its factorization.

20442224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48326824 (or 48326821 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20442224133 its reverse (33142224402), we get a palindrome (53584448535).

The spelling of 20442224133 in words is "twenty billion, four hundred forty-two million, two hundred twenty-four thousand, one hundred thirty-three".