20009301922 has 4 divisors (see below), whose sum is σ = 30013952886. Its totient is φ = 10004650960.

The previous prime is 20009301889. The next prime is 20009301959. The reversal of 20009301922 is 22910390002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22910390002 = 2 ⋅11455195001.

It can be written as a sum of positive squares in only one way, i.e., 13183402761 + 6825899161 = 114819^2 + 82619^2 .

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, 5002325479 + ... + 5002325482.

Almost surely, 2^20009301922 is an apocalyptic number.

20009301922 is a deficient number, since it is larger than the sum of its proper divisors (10004650964).

20009301922 is a wasteful number, since it uses less digits than its factorization.

20009301922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004650963.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 20009301922 its reverse (22910390002), we get a palindrome (42919691924).

The spelling of 20009301922 in words is "twenty billion, nine million, three hundred one thousand, nine hundred twenty-two".