20222317040 has 20 divisors (see below), whose sum is σ = 47016887304. Its totient is φ = 8088926784.

The previous prime is 20222317039. The next prime is 20222317051. The reversal of 20222317040 is 4071322202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 20222316997 and 20222317015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126389402 + ... + 126389561.

Almost surely, 2^20222317040 is an apocalyptic number.

20222317040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222317040 is an abundant number, since it is smaller than the sum of its proper divisors (26794570264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20222317040 is a wasteful number, since it uses less digits than its factorization.

20222317040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252778976 (or 252778970 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 20222317040 its reverse (4071322202), we get a palindrome (24293639242).

The spelling of 20222317040 in words is "twenty billion, two hundred twenty-two million, three hundred seventeen thousand, forty".