22020002012 has 12 divisors (see below), whose sum is σ = 40801768560. Its totient is φ = 10362353856.

The previous prime is 22020001963. The next prime is 22020002041. The reversal of 22020002012 is 21020002022.

It is a junction number, because it is equal to n+sod(n) for n = 22020001984 and 22020002002.

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, 161911712 + ... + 161911847.

It is an arithmetic number, because the mean of its divisors is an integer number (3400147380).

Almost surely, 2^22020002012 is an apocalyptic number.

It is an amenable number.

22020002012 is a deficient number, since it is larger than the sum of its proper divisors (18781766548).

22020002012 is a wasteful number, since it uses less digits than its factorization.

22020002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323823580 (or 323823578 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22020002012 its reverse (21020002022), we get a palindrome (43040004034).

The spelling of 22020002012 in words is "twenty-two billion, twenty million, two thousand, twelve".