20221133345 has 32 divisors (see below), whose sum is σ = 28776591360. Its totient is φ = 13352633280.

The previous prime is 20221133333. The next prime is 20221133381. The reversal of 20221133345 is 54333112202.

It is a happy number.

It is not a de Polignac number, because 20221133345 - 2¹⁴ = 20221116961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12236 + ... + 201474.

It is an arithmetic number, because the mean of its divisors is an integer number (899268480).

Almost surely, 2^20221133345 is an apocalyptic number.

It is an amenable number.

20221133345 is a deficient number, since it is larger than the sum of its proper divisors (8555458015).

20221133345 is a wasteful number, since it uses less digits than its factorization.

20221133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189365.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20221133345 its reverse (54333112202), we get a palindrome (74554245547).

The spelling of 20221133345 in words is "twenty billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred forty-five".