20221120964 has 12 divisors (see below), whose sum is σ = 38603958288. Its totient is φ = 9191418600.

The previous prime is 20221120963. The next prime is 20221120967. The reversal of 20221120964 is 46902112202.

It is not an unprimeable number, because it can be changed into a prime (20221120963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229785422 + ... + 229785509.

It is an arithmetic number, because the mean of its divisors is an integer number (3216996524).

Almost surely, 2^20221120964 is an apocalyptic number.

It is an amenable number.

20221120964 is a deficient number, since it is larger than the sum of its proper divisors (18382837324).

20221120964 is a wasteful number, since it uses less digits than its factorization.

20221120964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459570946 (or 459570944 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 20221120964 in words is "twenty billion, two hundred twenty-one million, one hundred twenty thousand, nine hundred sixty-four".