20012222022 has 32 divisors (see below), whose sum is σ = 43710347520. Its totient is φ = 6070878240.

The previous prime is 20012222011. The next prime is 20012222029. The reversal of 20012222022 is 22022221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012221992 and 20012222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012222029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801272 + ... + 1812347.

It is an arithmetic number, because the mean of its divisors is an integer number (1365948360).

Almost surely, 2^20012222022 is an apocalyptic number.

20012222022 is an abundant number, since it is smaller than the sum of its proper divisors (23698125498).

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

20012222022 is a wasteful number, since it uses less digits than its factorization.

20012222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613708.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20012222022 its reverse (22022221002), we get a palindrome (42034443024).

The spelling of 20012222022 in words is "twenty billion, twelve million, two hundred twenty-two thousand, twenty-two".