20012212022 has 12 divisors (see below), whose sum is σ = 32995341708. Its totient is φ = 9096459900.

The previous prime is 20012212009. The next prime is 20012212067. The reversal of 20012212022 is 22021221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012211988 and 20012212006.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 41347304 + ... + 41347787.

It is an arithmetic number, because the mean of its divisors is an integer number (2749611809).

Almost surely, 2^20012212022 is an apocalyptic number.

20012212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012212022 is a deficient number, since it is larger than the sum of its proper divisors (12983129686).

20012212022 is a wasteful number, since it uses less digits than its factorization.

20012212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82695115 (or 82695104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20012212022 its reverse (22021221002), we get a palindrome (42033433024).

The spelling of 20012212022 in words is "twenty billion, twelve million, two hundred twelve thousand, twenty-two".